Question

Joe uses 16 pounds of fertilizer in his three gardens. He uses 3/8 of the fertilizer in his first garden and 1/4 of the fertilizer in his second garden. What fraction of the fertilizer is left?

Answer 1

Answer: The fraction of the fertilizer is left = $\dfrac38.$

Step-by-step explanation:

Given: Fraction of fertilizer used in first garden = $\dfrac38$

Fraction of fertilizer used in second garden = $\dfrac14$

Fraction of fertilizer used in third garden = 1- (Fraction of fertilizer used in first garden)-(Fraction of fertilizer used in second garden)

= $1-\dfrac38-\dfrac14$

$=\dfrac{8-3-2}{8}\\\\=\dfrac{3}{8}$

Hence, the fraction of the fertilizer is left = $\dfrac38.$