Question

Solve the proportion using cross products. Round to the nearest hundredth if necessary.

12Miles/27hours=4miles/Xhours

A. 28
B. 12
C. 9
D. 18

Answer 1

C) x = 9

Explanation:

`(12)/(27)` =
`(4)/(x)`

`(12)/(27)` ÷
`(3)/(3)` =
`(4)/(9)` This is the fraction simplified

`(4)/(9)` =
`(4)/(x)` Simplified, I think that it is easier to see that x = 9