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Marrrta [24]
3 years ago
14

Alex walked 1 mile in 15 minutes. Sally walked 3,520 yards in 24 minutes. In miles per hour, how much faster did Sally walk than

Alex? (Note: 1 mile = 1,760 yards)
Mathematics
1 answer:
Mrac [35]3 years ago
5 0
First we need to convert yard to miles

3520yards÷1760yards/mile=2 miles

From there we know:
Alex walked 1 mile for 15 mins and Sally walked 2mile in 24 mins

We need to convert these mileages to miles per hour

1mile/15mins*60mins/hour=4miles /hour
2mile/24mins*60mins/hour=5miles per hour

Alex walks at 4 miles per hour and Sally at 5 miles per hour

Sally walks 1 mile per hour faster than Alex
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