Question

Keith bought 4 shirts for $36 at this rate what would his cost be for 7 shirts

Answer 1

$63

Explanation:

we know that

Keith bought 4 shirts for $36

so

using proportion

Find out would be the cost for 7 shirts

Let

x ----> the cost for 7 shirts

`(4)/(36)\ (shirts)/(\$)=(7)/(x)\ (shirts)/(\$)\\\\x=36(7)/4\\\\x=\$63`