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ACT Aspire Math Videos 91 videos

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ACT Aspire Math: Converting Units to Find Emma's Kumquat Budget 1 Views


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Description:

Emma wants to buy fruit that costs $0.24 per ounce. She makes $10 per hour at her part-time job.

How many hours does Emma need to work to buy 20 pounds of fruit? Note that one pound equals 16 ounces.


Transcript

00:02

Okay Next shmoop p mathey drill for you Here we

00:04

go Emma wants tobe i come quat fruit at her

00:08

local asian grocery store The come quads cost twenty four

00:12

cents an ounce She makes ten dollars an hour at

00:15

her part time job How many hours does emma need

00:20

to work to buy twenty pounds come quads Not that

00:22

one pound equals sixteen ounces Okay We'll include this instruction

00:32

manual this one right here for emma just in case

00:35

you know on how to eat Come quat If emma

00:37

isn't the picture of health after eating a whopping twenty

00:40

pounds of fruit well she'll at least have bigger muscles

00:43

from lugging it all around We're dealing with a multi

00:45

step question here so the first item of business is

00:48

picking the appropriate unit After all one ounce isn't the

00:51

same thing as one pound right Luckily the question generously

00:54

provides the conversion rate Holly lucia so apply that to

00:59

the price of fruit per ounce to find the price

01:01

per pound right with sixteen ounces in a pound So

01:04

take twenty four times sixteen That gets us three eighty

01:06

four a pound for come quat Emma wants twenty pounds

01:10

have come Quite so How much money does she need

01:12

Well that's twenty times three eighty four gets us seventy

01:15

six eighty Now we need to know how many hours

01:18

she'll need to work to make that much money assuming

01:21

she's on a base salary in collects ten dollars an

01:23

hour Well you'd just divide seventy six eighty by ten

01:25

bucks and it gets seven point six eight hours So

01:28

after working seven point six eight hours emma has enough

01:30

money to buy her twenty pounds of kumquats None of

01:33

the answer choices are decimals though So we're going to

01:35

round up to eight hours to make sure emma isn't

01:38

left stranded the checkout stand Okay that's it We're done

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