Question

Mr.Roshan will buy 12 1/2 pounds Beef for a cookout.The price for the first 3 pounds of beef is $4.99 per pound. After that,The price is $4.49 per pound. How much Will Mr.Roshan pay for the beef?

Answer 1

$57.63

Explanation:

For x > 3, the price in dollars Mr. Roshan will pay for x pounds of beef is ...

cost = 4.99×3 +4.49(x -3) = 3(4.99 -4.49) +4.49x

cost = 1.50 +4.49x

Then for x = 12.5 pounds, the cost is ...

cost = 1.50 +4.49×12.5 = 1.50 +56.13

cost = 57.63

Mr. Roshan will pay $57.63 for 12.5 pounds of beef.