Question

Machine A makes 12.75 ounces of popcorn in 3 minutes. Machine B makes 18 ounces of popcorn in 4 minutes.

If each machine makes popcorn for 10 minutes, will there be enough popcorn for eight 9-ounce bags? Explain.

Answer 1

• Yes

Explanation:

Machine A

• 12.75 ounces in 3 min
• x ounces in 10 min
• x = 12.75*10/3 = 42.5 ounces

Machine B

• 18 ounces in 4 min
• x ounces in 10 min
• x = 18*10/4 = 45 ounces

Total

• 42.5+45 = 87.5 ounces

8 bags each 9 ounces makes total of

• 8*9 = 72 ounces

There will be enough popcorn as 87.5 > 72