The Waltzer's average phone bill increased from $13.30 to $15.96. What is the percent of increase?

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- anonymous

The Waltzer's average phone bill increased from $13.30 to $15.96. What is the percent of increase?

- schrodinger

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- amistre64

15.96 - 13.30
-------------
13.30

- amistre64

the difference between the bills
--------------------------
what the bill used to be

- anonymous

.2 ?

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## More answers

- amistre64

gonna make me get a calculator arent you :) or i could just google it ;)

- anonymous

lol , sorry :)

- amistre64

.2 is the decimal representation of 20/100
which means we have 20% increase

- anonymous

can you help me w. one more ?

- amistre64

maybe :)

- anonymous

Jason is 48% short of a goal he made for the week. His goal is to earn $375. For each CD player he sells, he earns $45. How many CD players does he need to sell to meet his goal ?

- amistre64

45 times what = 375? tells us how many he needs to sell to reach his goal right?

- amistre64

375/45 = number need to sell

- amistre64

he needs to sell 8.3 which is a rediculous number... so 8 is not enough, so he has to sell 9 of them right?

- anonymous

yeah.

- amistre64

375(.48) tells us how much hes short....

- anonymous

Ok ..

- amistre64

the kids 180 short of his goal... how many cds does he need to sell to make $180 ?
180/45 right?

- anonymous

right .

- amistre64

180/45 = 4 more cds to reach his goal

- anonymous

thanks :)

- amistre64

i knew i could do it lol

- anonymous

me too ;)

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