Question

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Answer 1

Answer:

$11.1\: \mathrm{g}$

Step-by-step explanation:

Stefanie's mixture of 18 grams has a 20% sugar content. Therefore, there are $18\cdot 0.2=3.6$ grams of sugar in her syrup.

John's mixture of 30 grams has a 25% sugar content. Therefore, there are $30\cdot 0.25=7.5$ grams of sugar in her syrup.

Therefore, if they mix their syrups together, there will be $3.6+7.5=\fbox{11.1}$grams of sugar.

Answer 2

Answer:

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Step-by-step explanation: