Question

Pencils are sold in boxes of 10

erasers are sold in boxes of 14
a teacher wants to buy the same amount of pencils and erasers. How many of each boxes should she buy

Answer 1

7 boxes of pencils and 5 boxes rubbers.

Explanation:

Since LCM (10,14) = 70, that means that the minimum number of each you must buy is 70. So it's 7 boxes of pencils ( 10 each ) and 5 boxes of rubbers ( 14 each ).