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GED Math 4.5 Rational Numbers 194 Views


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Description:

GED Math 4.5 Rational Numbers. How much did Dez deposit into her savings account?

Language:
English Language

Transcript

00:00

Thank you We sneak in and here's your smoke du

00:05

jour brought to you by bank accounts where even a

00:08

gymnast might have trouble maintaining her balance For every nine

00:12

bucks that dez deposits in her checking account Every days

00:16

from bachelor ette she deposits two bucks in her savings

00:19

account If dez deposited a total of eight hundred twenty

00:22

five bucks in both her checking and savings accounts last

00:25

week than how much did she deposit into her savings

00:29

account And here the potential answers All right well sounds

00:32

like dad's really wants to go on that mediterranean cruise

00:35

in the fall way to pinch those pennies Dez All

00:38

right so this questions asking us how much money does

00:40

put into her savings at camp We know she put

00:43

away two dollars every time he made a deposit But

00:49

we don't know how many total deposit she made so

00:51

we'll have to dig a little deeper here Each time

00:53

does made a deposit you put nine dollars into checking

00:56

in two dollars into savings that we call the number

00:59

of deposits acts Then we can set the equation Nine

01:02

x plus two ax equals eight hundred twenty five If

01:05

you don't get that part boy you're in trouble on

01:07

this question Votes howmany times times dollars Got it Except

01:11

got a couple of like terms on our hands Woo

01:14

hoo So we can add nynex and two Acts to

01:16

get 11 axe And now eleven x equals eight hundred

01:19

twenty five Guess what we have to do here Yep

01:22

You guessed it Divide both sides by eleven and x

01:25

equals seventy five Got eleven and twenty five Seventy five

01:29

But wait There's No seventy five dollar option Did we

01:32

do something wrong No but we're not quite finished We've

01:36

only found the number of deposits are x value Last

01:40

step We need to plug that into our two ex

01:42

term and two times seventy five one hundred fifty Which

01:45

means that dez has deposited a total of one Hundred

01:47

fifty bucks into her savings account Option A Unfortunately that

01:51

will only get her as far as bermuda I'll keep 00:01:54.158 --> [endTime] pinching Dez malta awaits

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