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Mathematics 15 Online
zanyha:

Scarlett made a profit of $250.00 with her mobile car wash company. She charged $75.00 per car wash and received $35.00 in tips, but also had to pay $5.00 in cleaning supplies per car wash. Write an equation to represent this situation.

Gdeinward:

Do you know where to start?

zanyha:

no

Gdeinward:

(75x + 35) = 250 - 5x

Gdeinward:

Here to form an equation you must add all the money that she earned and subtract the money that she had to spend.

Gdeinward:

We dont know how many car washes she did, so we must represent it with a variable, or x.

zanyha:

ok thank you

Gdeinward:

Your welcome

AngeI:

Did you do this right? e.e

Gdeinward:

why, you think its wrong?

AngeI:

Wouldn't it be 250=75x+35-5 To avoid confusion with the way you out it?

Gdeinward:

its 5 dollars per wash.

Gdeinward:

I was trying to keep it from being confusing for the user. But yeah it would be better to include the variables on one side

AngeI:

I forgot the x but wtill

Gdeinward:

*but still

AngeI:

I have big fingers and my hands are freezing so I can't touch the screen very well, but thank you :/

Gdeinward:

its okay, I just was correcting you for your benefit. No need to explain

AngeI:

No correction was needed. I was aware of my mistake but you are unable to edit it. Lol

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