Answer:
56 number of Nectarines are needed
Step-by-step explanation:
Let number of Fruit-pie be x and number of nectarines be y.
Since the fruit pie recipe calls for twice as many peaches as nectarines.
then we have,
[tex]x= 2y[/tex]
It is also given that total of 168 pieces fruit for all pies.
⇒ [tex]x+y=168[/tex]
Substitute x=2y in above equation to solve for y:
[tex]2y+ y =168[/tex] or
3y=168
Divide both sides by 3, we get
[tex]\frac{3y}{3}= \frac{168}{3}[/tex]
Simplify:
y = 56
Therefore, 56 nectarines are needed.