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natulia [17]
3 years ago
13

Use a system of equations to solve this problem.

Mathematics
1 answer:
emmainna [20.7K]3 years ago
6 0
We have to set up 2 equations:
A) x + y = 10 liters
B) .05x + .25y = 10 * .10

Multiply equation B) by -4
B) -.2x  - y = -4 then add to equation A)
A) x + y = 10 liters
.8x = 6 liters
x = 7.5 liters of 5%
y = 2.5 liters of 25%

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The sum of three consecutive even numbers is one hundred sixty-two what is the smallest of the three
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Step-by-step explanation:

lets set the smallest number = x

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now expand the equation and simplify

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4 0
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