Avi bought 4 bottles of mango juice for $7.20.

How much would he pay for 9 bottles of mango juice at the same price?

A.
$3.20

B.
$5.00

C.
$12.20

D.
$16.20

Question

Avi bought 4 bottles of mango juice for $7.20.
 
How much would he pay for 9 bottles of mango juice at the same price?
 
 A.
$3.20
 
 B.
$5.00
 
 C.
$12.20
 
 D.
$16.20

nobrainiachere · Answer

well we would need to reverse engineer it

nobrainiachere · Answer

we need to find out how much one bottle of mango juice costs

adamk · Answer

4 bottles for $7.20
9 bottles for x

Making a proportion:
4 - 7.20
9 - x 

Cross multiplying:
4x = 9 * 7.20

4x = 64.8 Divide by 4
x = 16.2 

He will pay $16.20 for 9 bottles

nobrainiachere · Answer

$\huge{:/}$ I was getting to that