Bob has 2/3 of a pecan pie. His friends gave him 4 times as much pecan pie as he had before. How much pecan pie does he have now?
A+ny = n
a = n-ny
a = (1-y)n
a/(1-y) = n
<span>n = a/(1-y)</span>
Answer:
THE THIRD ONE
Step-by-step explanation:
Step-by-step explanation:
a) 4x + 8 - 2x + 7
= 2x +15
b) 2n × 5 × 2a
= 10n × 2a
= 20an
