If 3 apps cost 12$ how how much would 5 cost
1 answer:
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Answer: 15 oz of 2% solution and 10 oz of 5% solution
<u>Step-by-step explanation:</u>
Set up a table with the given information. <em>Multiply across and add down</em>. The bottom row (Total) will provide the equation. Then, solve the equation for the variable (2% solution) and substitute that value into the quantity for the 5% solution to find that value.