anonymous
  • anonymous
Jamal and his friends are conducting a car wash to raise money for a school play. Over the first weekend they raised $336.00, which was 80% of what they set out to earn. If they collect $21 for each car they wash, how many more cars must they wash? Can someone help me?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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hyperlunatic
  • hyperlunatic
helping
anonymous
  • anonymous
So first thing, you would divide 336 by 0.80 which gives you 420
anonymous
  • anonymous
Thats how much they set out to earn.

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More answers

anonymous
  • anonymous
The equation would be 21x + 336 = 420
anonymous
  • anonymous
Solve for x and done
hyperlunatic
  • hyperlunatic
now thats where you are wrong
anonymous
  • anonymous
Explain please
hyperlunatic
  • hyperlunatic
I am now
anonymous
  • anonymous
21x = 420 - 336
anonymous
  • anonymous
21x = 84
anonymous
  • anonymous
x = 84/21 or 4 more cars
hyperlunatic
  • hyperlunatic
ok, what you are figuring out is right, but that is not what the question asks
anonymous
  • anonymous
x is the number of cars here
hyperlunatic
  • hyperlunatic
you need to find: x= 420/21
anonymous
  • anonymous
@hyperlunatic that is what the question is asking for, not too sure what you're trying to get at but it will most likely just confuse @kayleedilbeck
anonymous
  • anonymous
no because it says HOW MANY MORE CARS MUST THEY WASH
anonymous
  • anonymous
They've already collected 336 of the 420
anonymous
  • anonymous
they earn 21 for every car
anonymous
  • anonymous
21x= 420 - 336
anonymous
  • anonymous
Yeah the 420 answer confused me. I put in the number 4 for how many more cars are needed to be washed and that was the answer but not really sure how you got 4
anonymous
  • anonymous
21x = 84
anonymous
  • anonymous
x = 4
anonymous
  • anonymous
no that was just step 1 @kayleedilbeck
anonymous
  • anonymous
Sorry for the confusion
anonymous
  • anonymous
It's okay, thank you!

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