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

firejay5 · Answer

@jim_thompson5910 @mathstudent55

mathstudent55 · Answer

Didn't we just do this?