Question

what is this answer?

Mark drew the following model and said it represented 21÷4 what is 21÷4?

Answer 1

The answer is 5.25 20/4=5. 1/4=25

Answer 2

$\sqrt[4]{21}$

4 goes into 21 five times, because 4 * 5 = 20

$21 - 20 = 1$

21 ÷ 4 = 5 r 1