Asked by ryan

Anita does laundry every other day. Every five days she changes sheets. Every 15 days she dusts. If she does all three chores today, how many days will it be before she does them all on the same day again?

Answers

Answered by Phil
30 days later. this is like least common multiples... 2, 5, 15. the least common multiple is 30.
Answered by Ms. Sue
Today is Day 1.

She does laundry on days 1, 3, 5, 7, 9, etc.

She changes sheets on days 1, 6, 11, 17, 21, 16, 31, etc.

She dusts on days 1, 16, 31, etc.
Answered by Ms. Sue
She changes sheets on days 1, 6, 11, <b>16, 21, 26, 31</b>, etc
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