SOLUTION: Andrew wants to make a salad using mushrooms and lettuce. the salad needs to have 40 percent mushrooms. He has 19 ounces mushrooms and 12 ounces of lettuce. how many ounces of the

Question 813232: Andrew wants to make a salad using mushrooms and lettuce. the salad needs to have 40 percent mushrooms. He has 19 ounces mushrooms and 12 ounces of lettuce. how many ounces of the mushrooms should be used if He wants to use all of the lettuce
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Target is 40% mushrooms. His current ingredients would yield fraction as mushrooms. We can use the expression and adjust the target to 0.40 and apply a variable to SUBTRACT from the mushroom quantity of 19.

Let's say, Andrew would use ounces of mushrooms.

Solve for w, and then compute .

You may find another way to solve this problem. My solution described is not necessarily the only way.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

Andrew wants to make a salad using mushrooms and lettuce. the salad needs to have 40 percent mushrooms. He has 19 ounces mushrooms and 12 ounces of lettuce. how many ounces of the mushrooms should be used if He wants to use all of the lettuce

Mushroom + mushroom = mushroom

Let quantity of mushrooms be M

M + 0(12) = .4(M + 12)

M = .4m + 4.8

M - .4M = 4.8

.6M = 4.8

M, or quantity of mushrooms to be used = , or oz.

You can do the check!!

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