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A store has sold 90 notebooks, which is 20% of all the notebooks they had. How many notebooks did the store have at first? A) 450 B) 23 C) 108 D) 500
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A store has sold 90 notebooks, which is 20% of all the

notebooks they had. How many notebooks did the store
have at first?

A) 450
B) 23
C) 108
D) 500

User Mtraut
by
8.3k points

1 Answer

3 votes
Answer: 450
Explanation: 20%=20/100=1/5
Multiply 90 by the reciprocal of 1/5 which is 5
90 x 5 =450
User Codingbbq
by
9.1k points
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