Question

Well-Grown potting soil is made from only peat moss and compost in a ratio of $3$ pounds of peat moss to $5$ pounds of compost. If a bag of Well-Grown potting soil contains $12$ pounds of potting soil, find how many pounds of peat moss it contains.

• A. $4.18$
• B. $4.22$
• C. $4.35$
• D. $4.50$

Answer 1

The correct option is D $4.50$

$3$ pounds of peat moss is to $5$ pounds of compost is the composition in $8$ pounds potting soil.

Since we have $12$ pounds of potting soil, corresponding amount of peat moss becomes $\frac{3\times 12}{8}=4.5$ pounds