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Rzqust [24]
4 years ago
7

gemlia filled a bucket with 5 2/3 gallons of the water. later,she poured out 2 4/9 gallons of the water. how much water is left

in the bucket?
Mathematics
1 answer:
Westkost [7]4 years ago
5 0

The water in the bucket = 5\frac{2}{3} gallons.

Gemlia poured out water from the bucket = 2\frac{4}{9} gallons

First we will have to convert the mixed fraction to improper fraction.

5\frac{2}{3} = \frac{(5)(3)+2}{3} = \frac{(15+2)}{3} = \frac{17}{3}

2\frac{4}{9}= \frac{(2)(9)+4}{9}=\frac{(18+4)}{9}=\frac{22}{9}

To find the left over water we have to subtract poured out water from total amount of water.

So we will get,

\frac{17}{3} - \frac{22}{9}

To subtract them first we have to make the denominatior same. As 9 is multiple of 3, so we can make the common denominator as 3.

To make the denominator of the first fraction as 3, we know that 3 times 3 is 9, So we will multiply the numerator and denominator of the first fraction by 3.

\frac{(17)(3)}{(3)(3)} - \frac{22}{9}

\frac{51}{9} - \frac{22}{9}

Now as the denominator is same , we will subtract the numerator.

\frac{(51-22)}{9}

\frac{29}{9}

So we have got there is \frac{29}{9} gallons of water left in the bucket.

We will convert that improper fraction to mixed fraction now.

\frac{29}{9} = 3\frac{2}{9}

So the required answer is 3\frac{2}{9} gallons of water left over in the bucket.

You might be interested in
5x-2y=-10 3x+6y=66 using elimination method
kirza4 [7]

\huge{ANSWER}

5x -2y = -10 .....1

3x + 6y =66......2

on multiplying eq. 1 by 3

5x -2y = -10 .....1 ×3

15x -6y =-30

now subtract both equations ,

15x -6y =-30

3x + 6y =66

-___-_____-_

12x =-96

x= -8.

putting value of x in eq 1

5×8 -2y =-10

40 -2y =-10

40-10=2y

50=2y

25=y.

7 0
3 years ago
A random sample of 420 new Ford trucks showed that 105 required repairs within the first warranty year.What is the estimate for
zvonat [6]
The probability of an event P(n), is equal to the number of the outcomes of that event n(E), divided by the total number of outcomes, or the sample space, n(S)

so P(n)= \frac{n(E)}{n(S)}


P(truck need rapair within the first year)=

\frac{n(truck need rapair within the first year)}{n(trucks)} = \frac{105} {420}= 0.25

The probability of an event = 1 - probability of the same event not to happen

so P(not need repair within the first year)=1-0.25=0.75


Answer: a) 0,25; b) 0,75

3 0
3 years ago
In order to fence a garden, the rowan family needs 64 feet of lumber. The garden at the correas house will need to be 100% large
aliina [53]

Answer:

128 feet of lumber

Step-by-step explanation:

In order to fence a garden, the rowan family needs 64 feet of lumber. The garden at the correas house will need to be 100% larger. How man feet of lumber will the correas need?

Step 1

We calculate how many feet larger

Hence:

64 × 100%

= 64 feet

Step 2

How many feet of lumber will the correas need:

= 64 feet + 64 feet

= 128 feet

3 0
3 years ago
15
dimulka [17.4K]

Answer:

15) Ellen is 12 years old.

16) Don't know what value you are looking for but x=(17/4) while y=(7/4) since the set of equations is 2x-2y=5 and x+y=6.

Step-by-step explanation:

15) Ellen (E) is currently twice as old as Maria (M).

Twice means to multiply by 2.

E=2M is therefore the equation for this part of the problem.

In 6 years, Maria (M) will be 2/3 as old as Ellen (E).  Keep in my Maria as aged 6 years (M+6) and Ellen as aged 6 years (E+6):

M+6=(2/3)(E+6).

So we have this system to solve:

E=2M

M+6=(2/3)(E+6).

I'm going to replace the E in the second equation with 2M since the first equation says E=2M:

M+6=(2/3)(E+6) with E=2M:

M+6=(2/3)(2M+6)

Distribute:

M+6=(4/3)M+(12/3)

Reducing 12/3 to 4:

M+6=(4/3)M+4

Subtract 4 on both sides:

M+2=(4/3)M

Subtract M on both sides:

2=(4/3)M-M

Find a common denominator:  

2=(4/3)M-(3/3)M

Combine like terms:

2=(1/3)M

Multiply both sides by the reciprocal of 1/3 which is 3:

3(2)=3(1/3)M

6=1M

6=M

M=6

Maria is six years old.

Recall E=2M.

So if M=6, then E=2(6)=12.

So currently E is twice as old as M since 6(2)=12.

In six years, M will be 12 which E will be 18.

M (12) is two-thirds as old as E (18) since 12=2/3(18)

16)

2x-2y=5

 x + y=6

Your question doesn't state which value it is looking for.

Anyways I'm going to solve the system for the point (x,y) and then you can decide which part of this answer to use.

I'm going to solve this system by elimination.  Each equation already has the same form: ax+by=c. I just need a column with the variables to be opposite or the same.

I'm going to multiply both sides of equation 2 by 2:

2x-2y=5

2x+2y=12

Now I have opposites in a column: -2y and 2y.

When you add opposites you get 0 so this is what you want to use elimination.

We are going to add the equations now:

2x-2y=5

2x+2y=12

------------------Adding!

4x+0y=17

4x      =17

Divide both sides by 4:

 x      =17/4

Now if x=17/4 and x+y=6, then we have that (17/4)+y=6.

Subtracting 17/4 on both sides gives us y=6-(17/4).

Finding a common denominaotr gives us y=(24/4)-(17/4).

Simplifying this gives us y=(7/4).

The point of intersection (the solution) is (17/4 ,  7/4)

7 0
3 years ago
Can someone help me there's supposed to be two answers but all I got was A
OlgaM077 [116]
D is also correct. if you need an explanation let me know
3 0
3 years ago
Read 2 more answers
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