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2 problems match “multiples”. Clear

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  1. Shared sale dates in July ●○○○○ 10 ptsA bookstore has a sale on days of the month that are multiples of 5 (such as June 5, June 10, ...). A shoe store has a sale every 6 days. The shoe store has a sale on July 3. How many times in July do the two stores have sales on the same date?
  2. Repeating decimals of n/30 ●●○○○ 20 ptsFor how many integers nn from 11 to 2929 is the fraction n30\frac{n}{30} a repeating decimal (that is, its decimal expansion does not terminate)?