Karlie, let a = the amount of 10% solution. You're going to need .10a, right?

You're adding it to .25(1) = .25.

Since you are adding the two amounts, you end up with .15(a + .25).

.10a + .25 =.15a + .0375

I bet you can get it from here!

Karlie U.

asked • 10/05/16Not sure how to set up equation for this, Help!

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Karlie, let a = the amount of 10% solution. You're going to need .10a, right?

You're adding it to .25(1) = .25.

Since you are adding the two amounts, you end up with .15(a + .25).

.10a + .25 =.15a + .0375

I bet you can get it from here!

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