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SAT Math 2.1 Geometry and Measurement. What is the measure of angle z in terms of x and y?
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Description:
To prepare for her upcoming road bike race, Kristin trains on a stationary bike, cycling at an average speed of 10 miles per hour. She begins cycling at 12:00 noon. Once she attains her goal of biking for the equivalent of 40 miles, she takes an hour-long break. At what time does Kristin begin her break?
Transcript
- 00:02
Okay shmoop er's Last math problem of this section Here
- 00:04
we go Prepare for coming wrote back Raise kristen trains
- 00:07
on the stationary bike It's Likely an average of ten
- 00:08
thousand been cycling at noon When you think about inviting
- 00:10
for forty miles an hour long break at what time
Full Transcript
- 00:12
does person begin her break She's cycling at ten miles
- 00:18
an hour she wants to go forty miles be like
- 00:21
four hours right so well it started at noon that
- 00:24
seems pretty straight for it is a lot easier than
- 00:26
the last question Well before we math a joke why
- 00:29
couldn't the bike stand up It was just too tired
- 00:33
No wait only we still need to find out how
- 00:35
long kristin was cycling for you know before she decided
- 00:38
to take her break We're told that she stops after
- 00:40
forty miles were also told she's biking in ten miles
- 00:43
an hour So that's pretty easy right She takes a
- 00:45
break when t equals four after four hours of riding
- 00:48
which is four pm so the answer is b and
- 00:50
it takes an hour long break while then her break
- 00:53
is from four until five Yeah you can't read problem
- 00:55
too quickly Otherwise ten miles per hour might falsely register
- 00:59
is ten hours like the duration of this math problem
- 01:03
and kristen isn't taking a late night ride so yet 00:01:06.741 --> [endTime] empty Okay we're done
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