by selling quail eggs at 5 per dozen, a vendor gains 20%. the cost of quail eggs rise at 12.5%. If he sells at the same price before, find his new gain at %.

Question

anonymous · Answer

Profit = Income - Cost
pre-increase, income = 5 and profit = 0.2*cost

$0.2c = 5 - c$

1. Solve for $c$.
2. Mulitply $c$ by 1.125 to the the cost after the increase.
3. Find the amount of profit after the increase. 
4. Take the ratio to get the %

1018 · Answer

thank you!