Question

The cost of 9 trousers is $72 . Find the cost of 12 trousers

Answer 1

x=96

Explanation:

We can solve by writing ratios

9 trousers 12 trousers

------------------- = ----------------------

72 dollars x dollars

Using cross products

9x = 12 *72

9x =864

Divide by 9

9x/9 = 864/9

x=96