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2 years ago

Can some one help me Please

Mathematics

1 answer:

USPshnik [31]2 years ago

6 0

Use area formula (length x width)
42 x 25.5 = 1,071

Divide by total cost of wall paper

1,071/771.25 = $1.38 per square foot

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The ratio of SAMs age to hank is 5 to 3. If the sum of their age is 24. How old is is hank?

Serggg [28]

Lets consider SAM's age is 'x' and Hank's age is 'y'
So as per given data Sam's age is 5/3 times of Hank's age
so x = 5/3 * y
3x = 5y --> equation 1
and also sum of their ages is 24
so, x + y = 24
we need to find Hank's age (y)
so x = 24 - y
Now replace x value in equation 1
3(24-y) = 5y
72-3y = 5y
72 = 3y+5y
8y= 72
y= 72/8
y = 9 years.

So the Hank's age is 9 years

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3 0

3 years ago

An investment firm invested in two companies last year. They invested $11,000 in Company A and made a profit of 24% . They inves

Tema [17]

First off, "whatever%" of "anything" is just (whatever/100) * anything

part A)

so... firm A got 11,000 invested, turned a profit of 24%, how much is 24% of 11000? well (24/100) * 11000

firm B got 14,000 invested, and returned 15% in profits, how much is 15% of 14000? (15/100) * 14000

part B)

for the amounts above, we get 2640 and 2100 respectively

so, the total profit "amount" is 2640 + 2100 or 4740

the total investement was 11000+14000 = 25000

if 25000 is the 100%, how much is 4740 in percentage?

$\bf \begin{array}{ccllll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
25000&100\\
4740&x
\end{array}\implies \cfrac{25000}{4740}=\cfrac{100}{x}$

solve for "x"

6 0

3 years ago

Read 2 more answers

Decompose the fraction (3/4) in at least 5 ways?

gulaghasi [49]

Answer:

Step-by-step explanation:

3/4

6/8

12/16

24/ 32

48/ 64

9/12

4 0

3 years ago

How many solutions does the equation have?

Alex17521 [72]

Answer:

x = 1/2

Step-by-step explanation:

2x + 3 = 4x + 2

-2x -2x

3 = 2x + 2

-2 -2

1 = 2x

Divide both sides by 2x

x = 1/2

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3 years ago

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Mike has $72 and he needs to buy some apples. Which of these equations would represent mike's situation of the apples cost $0.60

Alexxandr [17]

Answer:120 apples

Step-by-step explanation:

72/.60=120

8 0

3 years ago