Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?

Correct result:

n =  7


30n +62 = 40n - 8

30•n +62 = 40•n - 8

10n = 70

n = 7

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