Trey runs 3 miles in 25 minutes. At the same rate, how many miles would he run in 20 minutes?
2 answers:
Answer:
Step-by-step explanation:
Set up a proportion.
3/25 = x / 20 Notice that both times are in the denominators. Be sure you always set up a proportion that way. Like units in the denominator. Like units in the numerator.
Cross multiply
3 * 20 = 25 * x Combine
60 = 25x Divide by 25
60/25 = x
x = 2.4 miles in 20 minutes.
Answer:
In 20 minutes, Trey would run 2.4 miles.
Step-by-step explanation:
20x = 25
x = 4/5
This means we multiply the number by 0.8
3 * 0.8 =
3/25 = 2.4/20
2.4 miles / 20 minutes
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