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Mathematics 15 Online
KjSaif:

Gloria deposited $500 into a bank account that earned 7.5% simple interest each year. She earned $225 in interest before closing the account. If no money was deposited into or withdrawn from the account, for how many years was the money in the account? Round your answer to the nearest whole year.

KjSaif:

BRAIN FART

KjSaif:

@Trillboij

Trillboij:

HMMM!

Trillboij:

Need some time to think.

KjSaif:

k

KjSaif:

your teamwork's 100!

KjSaif:

wow.............

Trillboij:

;)

Trillboij:

The answer is 30 I believe.

Trillboij:

Just divide 225/ 7.5

KjSaif:

you sure? because it said round to the whole year...nothing percentage or fractions?

KjSaif:

im kind of confused

Trillboij:

Aint 30 is a whole a number?

KjSaif:

yea but i got 6 years not 30

Trillboij:

How did you six?

KjSaif:

just thinking that a long time to have money in a bank

KjSaif:

i did this....

Trillboij:

True.

Trillboij:

You might be write.

KjSaif:

500 x 45% = 225 7.5% x 6(years) = 45%

Trillboij:

I'm bad at word problems

KjSaif:

same.....xD

Trillboij:

Wait.

Trillboij:

What's 7.5% of 500?

Trillboij:

37.5

Trillboij:

and if we round that we get 40.

Trillboij:

Any options?

KjSaif:

:( nope

KjSaif:

just stuck...........with INFINITE

Trillboij:

OH GOD LLOL

KjSaif:

yeap..............so ill just go with 6 years..........

KjSaif:

:(

KjSaif:

*crys*

KjSaif:

jk

Trillboij:

Yeah its 6 years!

KjSaif:

lol you see i asked here and you know what......................

Trillboij:

lol

Trillboij:

Can I get a star?

Trillboij:

;)

KjSaif:

you are starred

KjSaif:

xD

KjSaif:

ok NEXT

Trillboij:

lol

TheSmartOne:

Simple interest formula: SI = Principle * Interest rate * Years 225 = 500 * 0.075 * T 225/(500 * 0.075) = T T = 6 So in 6 years, you will accumulate 225 dollars in interest by placing 500 dollars in for a rate of 7.5%

CloroxBleach:

^^

umer:

7.5 persnt

MsBrains:

:o

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