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lidiya [134]
3 years ago
13

David hikes 2 ¼ miles in ½ an hour at this rate, how long will it take him to walk 18 miles?

Mathematics
1 answer:
8090 [49]3 years ago
5 0
So in 30 min will hike 2 1/4 miles =9 of those 1/4 miles therefore in 10 min will hike 9/3 =3 of those 1/4 miles = 3/4 of a mile

3/4 mile in 10 min;
(3/4)• 4 = 3 miles in 40 min;
6 miles in 80 min;
9 miles in 120 min;
12 miles in 160 min;
15 miles in 200 min;
18 miles in 240 min or 4 hours

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