A 9 foot roll of aluminium foil costs 3.87. What is the price per yard

Mathematics

2 answers:

mart [117]3 years ago

5 0

Answer:

$1.29 per yard

Step-by-step explanation:

Since there are 3 feet in every yard you would divide 9ft by 3 to get 3 yards. So 3 yards of aluminium is 3.87. You would then divide 3.87 by 3 to get the price per yard which is 1.29

EleoNora [17]3 years ago

3 0

Answer:

1.29 a yard

Step-by-step explanation:

there are 3 feet in each yard so 9 divide by 3 would be 3 yards

then you take 3.87 and divided it by 3 you get 1.29 per yard

if you want to check then you just multiply 1.29 times 3 = 3.87

You might be interested in

The formula for electrical power is P, is P= I^2 R, where I is current and R is resistance. The formula for I in terms of. P and

Butoxors [25]

Ans

I = sqrt(P/R)

Step-by-step explanation:

You divide both sides by R first

P/R = I^2 R/R

So,

I^2 = P/R

take the square root of both sides

I = sqrt(P/R)

7 0

3 years ago

Read 2 more answers

Curtis threw 18 darts at a dartboard. 48% of his darts hit the bull’s-eye. How many darts did not hit the bull’s-eye?

Pepsi [2]

Change 48% to 0.48
0.48 x 18 = 8.64
rounded would be 9

4 0

3 years ago

The tax rate is 3.9%<br> What is the tax on 42$? <br> Round to the nearest hundredth

mafiozo [28]

To find the total price, we use this equation:
42 + 0.039(42)
We can make it simpler:
1.039(42)
Multiply:
43.638
Because we're rounding
The total price is $43.64

7 0

3 years ago

( 7x + 1/2) + ( 7x - 7 and 1/2) Simplify

pishuonlain [190]

Answer:

The answer will be 7(2x - 1)

Step-by-step explanation:

1) Convert 7 and 1/2 to improper fraction. Use this rule: a b/c = ac + b/c

$7x + \frac{1}{2} + 7x - \frac{7 \times 2 + 1}{2}$