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Julli [10]
2 years ago
10

Huong is organizing paperback and hardback books for her club's used books sale. The number of paperbacks is 12 less than three

times the numbers of hardbacks. Huong had 162 paperbacks. How many hardback books were there?
Mathematics
1 answer:
TiliK225 [7]2 years ago
4 0

Answer:

The number of hardback books in book sale   = 58

Step-by-step explanation:

Let the number of hardback books  = m

So, the number of paperback books = 3 ( number of Hardbacks)  - 12

                                                             = 3 m - 12

⇒the number of paperback books   = 3 m -12

Now, total number of  paperback books  = 162

⇒ (3m -12)  = 162

or, 3m = 162 + 12

or, 3m  = 174     ⇒  m = 174 / 3

or, m = 58

Hence, the number of hardback books  = 58

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