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2 years ago

9

Samantha mixes some amount of 25% sugar syrup with x grams of 10% sugar syrup.

1 answer:

kondor19780726 [428]2 years ago

4 0

Answer:

40 grams

Step-by-step explanation:

y * 25% + x * 10% = 120 * 15%

x = 120 - y

(120-y) * 10% = x * 10%

y * 25% + (120 - y ) * 10% = 120 * 15%

0.25y + 12 - 0.1y = 18

0.15y = 6

y = 6 / 0.15

y = 40

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