Manuel vacuums his swimming pool every 4 days and adds a water treatment every 5 days. If he vacuums his pool and adds the water treatment on the same day, in how many days will he again do both of these activities on the same day?

A. 5 days
B. 9 days
C. 18 days
D. 20 days

Question

Manuel vacuums his swimming pool every 4 days and adds a water treatment every 5 days. If he vacuums his pool and adds the water treatment on the same day, in how many days will he again do both of these activities on the same day?

A. 5 days
B. 9 days
C. 18 days
D. 20 days

goformit100 · Answer

Hey I am Back to answer your question

firejay5 · Answer

I need a choice to be picked and an explanation of why you chose that answer

goformit100 · Answer

Show your working

firejay5 · Answer

yea show your work to explain answer choice

mathstudent55 · Answer

You need the least common multiple of 4 and 5.

mathstudent55 · Answer

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