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Mathematics 24 Online
OpenStudy (selena2345):

Sharon went to a craft store with $9.00.She brought a doll for $2.25 and 5 key chains with the remaining money.There was no tax, and all the key chains were the same price. After buying the doll and the 5 key chains , she had no money left.part A:Write an expression that can be used to find the cost of each key chain. Part B: What was the cost of each key chain ? Part C: Sharon's friend says that each key chain cost the same amount of money as the doll cost. Explain whether Sharon's friend is correct or incorrect.Part D: If Sharon had not brought the doll instead bought a pencil for $0.90,how

OpenStudy (karatechopper):

Okay, lets try to write out the expression.

OpenStudy (selena2345):

okay

OpenStudy (selena2345):

Karatehopper

OpenStudy (karatechopper):

2.25+ 5x=9.00

OpenStudy (karatechopper):

x is the amount of keychains.

OpenStudy (selena2345):

solve part b i need help

OpenStudy (karatechopper):

Well now that you have Part A down, lets look at Part b. as I stated, x is the amount of keychains. So we need to solve for x.

OpenStudy (karatechopper):

Solve for X. 2.25+ 5x=9.00

OpenStudy (selena2345):

okay help me with part b

OpenStudy (karatechopper):

Try that on your own. I gave you the first step. ^

OpenStudy (selena2345):

x=0.8

OpenStudy (selena2345):

hello i did it

OpenStudy (selena2345):

KarateChopper

OpenStudy (selena2345):

Hello

OpenStudy (karatechopper):

okay good.

OpenStudy (selena2345):

Thank You

OpenStudy (karatechopper):

But thats..not completely right.

OpenStudy (selena2345):

What about part c and d

OpenStudy (karatechopper):

How did you solve that? can you show me?

OpenStudy (anonymous):

You can't really do C and D till you get B right

OpenStudy (selena2345):

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