Question

Mr. Li was purchasing some rulers and calculators for math class.

• He purchased $378 worth of items.
• He purchased 24 items
• Each calculator cost $35, and each ruler cost $2.
How many calculators did Mr. Li purchase?

Answer 1

10

Explanation:

35x2=70

70x5=350

378-350=28

28/2=14

14+10=24