A cashier at the local bank expected to serve 12 customers every hour. In the past 15 minutes he served 4 customers. Assuming th
1 answer:
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The return trip was 21.2 hours long.
Step-by-step explanation:
Given,
Speed of plane from US = 212 mph
Speed of plane on return trip = 232 mph
Let,
x be the time taken on return trip.
Time taken from US = x+2
We know that;
Distance = Speed * Time
Distance of plane from US = 212(x+2) = 212x+424
Distance on return trip = 232x
As the distance will be same, therefore,
Dividing both sides by 20
The return trip was 21.2 hours long.
Keywords: distance, speed
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Yes, that is true, you have to simplify -42/-45 to be able to see if they are equivalant.
