Plzzzzz help me show the math I dont understand it
1 answer:
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Let be the amount (gal) of the 40% slime solution you end up using. You want to end up with 120 gal of the 50% solution, so that you would use
gal of the 70% solution.
You want the final solution to consist of 50% slime, or 60 gal of slime. Each gal of the 40% solution contributes 0.4 gal of slime, while each gal of the 70% solution contributes 0.7 gal of slime. This means
so the answer is B.
A very simple example is:
What you need to is just distribute x into the parenthesis, so once x times the first term (a) and once x times the second term (b)
What you need to is just distribute x into the parenthesis, so once x times the first term (a) and once x times the second term (b)
I hope you got the idea