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Okay, lets try to write out the expression.

okay

Karatehopper

2.25+ 5x=9.00

x is the amount of keychains.

solve part b i need help

Solve for X.
2.25+ 5x=9.00

okay help me with part b

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

x=0.8

hello i did it

KarateChopper

Hello

okay good.

Thank You

But thats..not completely right.

What about part c and d

How did you solve that? can you show me?

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

|dw:1363831874025:dw|

I can't read that....

2.25+5x+9.00 9.00-5=4 5x=4 x=0.8

yes

1.35 is the price of the key chains.

let me rephrase that...1.35 is the price of 1 keychain

now I think you can do C.

how can do part c and d