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ACT Aspire Math: Using Proportions to Calculate Jason's Miles Driven 4 Views
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Description:
Madison and Jason are taking turns driving across the state. Madison drives 90 miles in 3 hours at a constant speed. Jason drives for 4 hours at the same speed as Madison.
How many miles does Jason drive?
Transcript
- 00:03
Okay More math drills coming at you inspiring people Here
- 00:07
we go Madison and jason are taking turns driving across
- 00:10
the state in their new ferrari Madison drives ninety miles
- 00:13
in three hours at a constant speed Jason drives for
- 00:15
four hours at the same speed as madison Well how
Full Transcript
- 00:18
many miles does jason dr sucking value out of that
- 00:22
ferrari mile by mile Speed is a type of rate
- 00:28
one weaken determined by calculating the distance covered in a
- 00:31
particular amount of time We know madison's distance and time
- 00:34
So start by using one of the handiest rate formulas
- 00:37
around too calculated how fast she was driving All right
- 00:40
well let's see distances rate times time So that's the
- 00:44
key phrase there Plugin chug we get ninety miles is
- 00:48
rate times three hours or rate is thirty miles an
- 00:53
hour with word per indicates division So miles per hour
- 00:58
literally means dividing miles by hours And coincidentally that's exactly
- 01:02
what we did He had not Coincidentally jason drives at
- 01:05
the same speed so plug that set of numbers into
- 01:07
the very same equation To find the distance he drives
- 01:09
distances rate times times so distances thirty miles an hour
- 01:13
times than four hours Right So he drove one hundred
- 01:16
twenty miles Well that's a long way to drive at
- 01:19
a speed of thirty miles an hour especially now ferrari
- 01:21
Hopefully no one was stuck driving behind them but whatever
- 01:24
the answer is one twenty
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