Question

7 whole 2/5 to get 18?​

Answer 1

Answer:

$7 \frac{2}{5} + x = 18 \\ \frac{37}{5} + x = 18 \\ x = 18 - \frac{37}{5} \\ x = \frac{90 - 37}{5} \\ x = \frac{53}{5} \\ \boxed{x = \underline{ \underline{ 10 \frac{3}{5} }}}$