Answer:
15
Step-by-step explanation:
first you need to find the LCM (least common multiple) which is 15 so then every 15 days she will have both soccer, dance class and swimming class on the same day
To find the decreased percentage,here's what we can do:

In this case,the eqaution would be:

Hope it helps!
Answer
it is 5 : )
Step-by-step explanation:
I don’t not know the answer for this question sorry
V=8, did it on equations solver