A train on a roller coaster ride can safely carry up to 10 000 lb. If the average adult weighs 77 kg, how many passengers can ride the roller coaster at once?
Question
A train on a roller coaster ride can safely carry up to 10 000 lb. If the average adult weighs 77 kg, how many passengers can ride the roller coaster at once?
Solution
Step 1: Convert the weight limit of the roller coaster from pounds to kilograms, since the weight of the passengers is given in kilograms. We know that 1 lb is approximately 0.453592 kg. So, 10,000 lb is 10,000 * 0.453592 = 4535.92 kg.
Step 2: Divide the total weight the roller coaster can carry by the average weight of an adult. So, 4535.92 kg / 77 kg = approximately 58.9.
Step 3: Since we can't have a fraction of a person, we round down to the nearest whole number. So, the roller coaster can safely carry 58 adults at once.
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