A mixed number is an integer with a fraction. 6 goes into 13 twice, with 1 leftover, so the mixed number would be
1/10 of all take 2/5 time
10/10=10 times 1/10
so 10 times 2/5 time=20/5=4 days to finish 1 order
4 days
2420 cups in March
1660 cups in April
2420 + 1660 = 4080
4080/4 = 1020
The cafeteria served 1020 total quarts of milk in March and April
If you divide you get 99.5
It is 30. The square root of 900 is 30.