Question

221 ÷ 13 = ? add a helper equation to into smaller pieces to solve 221

Explanation:

Step1: Split 221 into two parts

$221 = 130 + 91$

Step2: Divide each part by 13

$\frac{130}{13} = 10$, $\frac{91}{13} = 7$

Step3: Sum the two results

$10 + 7 = 17$

Answer:

17