Digital PSAT Math Practice Question 216: Answer and Explanation
Question: 216
A roller coaster requires riders to be at least 48 inches tall. Given that there are approximately 2.54 centimeters in an inch, how tall must a rider be to the nearest whole centimeter to ride the roller coaster?
Correct Answer: 122
Explanation:
122 You can use the conversion given in the problem (2.54 centimeters per 1 inch) to cancel out the units you don't want (inches), leaving you with only the units that you do want (centimeters):
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