Respuesta :

Answer:

The teacher bought 113 crayons.

Answer: 113 Crayons

Step-by-Step Explanation:

Total packets of crayons = 12
7 of them had => 9 crayons
5 of them had => 10 crayons
Total number of crayons = ?

Therefore,
= (7 * 9) + (5 * 10)
= (63) + (50)
= 113

So, total no. of crayons = 113
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