You buy a bicycle helmet

for $22. The helmet is

discounted 30% off the

selling price. What is the

original price of the bike?

Answer: $15.40/$15.4

Step-by-step explanation:

1) Take 30 and change into a decimal.

2) Take that 0.30/0.3 and multiple it by 22

3) Take your answer and subtract it from the original price that is 22

4) You received your answer!