Robin can clean
72
7272 rooms in
6
66 days.
how many rooms can robin clean in
9
99 days?

45 rooms

Step-by-step explanation:

well divide 72 rooms by 6 days to find rooms per day then multiply it by 9 to get __ rooms.

72/6 = 8 x 9 = 45

8 rooms per day

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5