Question

He earns 300 reward points for every 100 dollars he spends. If he earned 1,800 reward points, how much money did he spend

Answer 1

He spent $600

Explanation:

What you do is 1800/300= 6, so 100 × 6 = $600

Answer 2

$600

Explanation:

1800/300 = 6, so he got 6 'lots' of reward points

6 * 100 = $600