Arestaurant has one type of lemonade that is 30% sugar and another that is 10% sugar. how many gallons of eachbtype does the restraint need to make 4 gallons of lemonade mixture that is 15% sugar?

x + y = 4

0.3x + 0.1 y = 0.15*4

Solve the system. The solution is: x = 1 ∧ y = 3

1 gallons with 30% sugar and 3 gallons with 10% sugar does the restaurant need.

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step-by-step explanation:

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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