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CaHeK987 [17]
3 years ago
13

A party rental company has chairs and tables for rent. The total cost to rent 3 chairs and 5 tables is $49 . The total cost to r

ent 9 chairs and 7 tables is $77 . What is the cost to rent each chair and each table?
Mathematics
2 answers:
andreev551 [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Fed [463]3 years ago
5 0
Modeling the above problem in matrix form we have,
[3 5;9 7]*[x y]'=[49 77]'
AX=b
X=inv(A)*b
X=[1.7500 8.7500]'
ie x=1.7500 and y=8.7500
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Brian spends 3 5 of his wages on rent and 1 3 on food. If he makes £735 per week, how much money does he have left?
Margarita [4]

Answer :

Brian has $49 left.

Step by step explanation :

Step 1 : Find how much money Brian spends on rent and food.

First question we should be asking is what is 3/5 of 735?

Let's find that.

\frac{3}{5} * \frac{735}{1}

= \frac{(3)(735)}{(5)(1)}

= \frac{2205}{5}

= 441

We know Brian spends $441 on rent. Now we find how much he spends on food.

\frac{1}{3} * \frac{735}{1}

= \frac{(1)(735)}{(3)(1)}

= \frac{735}{3}

= 245

Brian spends $245 on food.

Step 2 : Add what he spends on rent and food together.

$441 + $245 = $686

Step 3 : To find out how much money Brian has left, we subtract $686 from $735.

$735 - $686 = $49

Conclusion : Brian has $49 left.

Hope this helps, please mark brainliest if possible. Have a nice day.

3 0
3 years ago
Maisie has three times as many CDs as Ken. ken has twice as many CDs as Jo. Jo has more than 10 CDs. What is the least number of
STatiana [176]

Answer:

Least number is 60.

Step-by-step explanation:

Let the number of CDs has Jo be represented by x + 10. Where x = 0, 1, 2, 3....

Then, since Ken has twice as many CDs as Jo, the number of CDs that Ken has can be expressed as;

 2(x + 10) = 2x + 20

Maisie has three times as many CDs as Ken, then the number of CDs that Maisie has can be expressed as;

3(2x + 20) = 6x + 60

Thus to determine the least number of CDs that Maisie can have, let x = 0.

3(2x + 20) = 6x + 60

                 = 6(0) + 60

                 = 60

Therefore, the least number of CDs that Maisie can have is 60.

3 0
3 years ago
what is the ratio of a rectangle if one side is 12 and the other side is 16 ? what is the ratio if one side is 8 and the other s
Vika [28.1K]

Answer:

  3:4

  4:5

Step-by-step explanation:

The ratios are ...

  short side : long side = 12 : 16 = 3 : 4

and for the other rectangle, ...

  short side : long side = 8 : 10 = 4 : 5

_____

To reduce the ratio to lowest terms, divide each number by their greatest common factor. 12 and 16 have a common factor of 4: 12=4·3, 16=4·4. 8 and 10 have a greatest common factor of 2.

8 0
3 years ago
Someone help plz!! It would be a big help :) tysm
qaws [65]

Answer:

<

Step-by-step explanation:

5/5 is bigger than 1/5.

5 0
3 years ago
Write the equation of the line given the points (2,0) and (3.-1)
Juli2301 [7.4K]

Answer:

y = -1x + 2

Step-by-step explanation:

We need to find y = mx + b

Use the following equation

\frac{y_2-y_1}{x_2-x_1}

Plug in the values

\frac{-1-0}{3-2}  = \frac{-1}{1} = -1

We have found the slope(m) which is -1

We have to find y-int b

Plug in any given x,y into the slope formula

-1 = -1(3) + b

-1 = -3 + b

2 = b

At last the formula is

y = -1x + 2

7 0
3 years ago
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