2x2x5x5 or 2^2*5^5 hope this helps!
Answer:
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Step-by-step explanation:
If u can't see the answer then x=3
Both radio stations will play the same song on the same day <u>5 times</u> in 30 days.
<u><em>Explanation</em></u>
A radio station plays yesterday by the Beatles once every 2 days. Another station plays the same song once every 3 days.
For finding the day on which both radio stations will play the same song, we will just <u>find the LCM(Least Common Multiplier) of 2 and 3</u>. So, the LCM will be 6.
That means, <u>on every 6th day, both radio stations will play the same song</u>.
So, the number of times that both radio stations will play the same song on the same day in 30 days 
Look at the dots for each week and see how much money was in the account.
Week 1 was 10, week 2 was 30, this means he saved 20
Week 5 was at 50, week 6 was at 80, this means he saved 30, which was the most.
The answer is 5 & 6.