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Sindrei [870]
3 years ago
9

3. An airplane flies 105 miles in ½ hour. How far can it fly in 1 ¼ hours at the same rate of speed?

Mathematics
2 answers:
ella [17]3 years ago
6 0

Answer:

105 at 30 min.

<em>x</em> at 75 min.

105 mph x 2 = 210 mph at one hour

There is still 15 min to go soooo...

210/4 = 52.5

210 + 52.5 = 262.5 mph for 75 min

Check by dividing

262.5/75=3.5

raketka [301]3 years ago
5 0
262.5 miles
explanation 1/4 is half of 1/2 so 52.5 is half of 105 and then 210 for an hour of travel
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