Middle School

Edwin uses 4 rolls of green ribbon and 8 rolls of purple ribbon for a project. Each roll of green ribbon has a length of 90 feet, and each roll of purple ribbon has a length of 60 feet. What is the difference in length, in feet, between the total amount of green ribbon and the total amount of purple ribbon Edwin uses?

Answer :

Answer:

120 feet

Step-by-step explanation:

Given

No.of green ribbon rolls used=4

No.of purple ribbon rolls used=8

Length of ribbon in one green roll=90 feet

Length of ribbon in one purple roll=60 feet

In order to find the difference in total green and purple ribbon used, we have to calculate the total length of the ribbons used.

Total length of green ribbon=Number of rolls*length of ribbon in one roll

=4*90

=360 feet

Total length of purple ribbon=number of rolls*length of ribbon in one roll

=8*60

=480 feet

The difference between the total length of green ribbon and purple ribbon=480-360

=120 feet ..

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