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riadik2000 [5.3K]
4 years ago
8

Laura decides to walk to her job. she walks 1 1/2 miles in 3/5 hour. What is Laura's unit rate?

Mathematics
2 answers:
Artyom0805 [142]4 years ago
6 0
To find the rate in miles per hour, divide the miles by the hours.
(1 1/2 miles)/(3/5 hour) =
= 3/2 miles * (5/3 hour)
= 5/2 mph
= 2 1/2 mph
Her walking rate is 2 1/2 mph.
(4 1/2 miles) / ( 2 1/2 mph) =
= 9/2 miles / (5/2 mph)
= 9/2 * 2/5 hours
= 9/5 hours
= 1 4/5 hours
From 9:00 a.m. to 11 a.m., she has 2 hours, but she only needs 1 4/5 hours to walk, so she will make it to work on time.
solniwko [45]4 years ago
4 0
1 4/5 is ur answer because if she need 1 more just round it
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