Question

PRACTICE QUESTIONSFive bottles of water cost $7.50. Find the cost of one dozen bottles of water.$14.50$16.00$18.00$19.50Next

Answer 1

Given

The cost of 5 bottles of water is 7.50 dollar.

Explanation

To determine the cost of one dozen bottles of water.

1 dozen=12

From the unitary method,

5 bottle cost is 7.50 dollar.

1 bottle cost is

$\frac{7.50}{5}$

12 bottle costs is

$\frac{7.5}{5}\times12=18$Answer

Hence the cost of one dozen bottle of water is 18 dollar.

The correct option is C.