28*21 equals 84
10
9 times 28/3 = 84
-79
It's 24 see. 84/3=28 and then 28*3=84
28 goes into 84 three times because 28 multiplied by 3 equals 84. This is because division is the inverse operation of multiplication, so when dividing 84 by 28, we are essentially finding how many times 28 can be subtracted from 84 before reaching 0.
53
28
4 times 21 equals 84.
28
196
28x3=84