# Math

A 20 foot piece of rope will be cut into as many 3 and 1\2 foot section as possible. how much rope will be left over?

1. 👍 0
2. 👎 0
3. 👁 70
1. 20/(3 1/2) = 20/(7/2) = 20*2/7 = 40/7 = 5 5/7

so, 5 pieces, plus 5/7 of a piece left over.

Since one piece is 7/2 feet, 5/7 * 7/2 = 5/2 = 2 1/2 feet left over.

Or, 20 - 5(3 1/2) = 20 - 17 1/2 = 2 1/2 ft left over

1. 👍 0
2. 👎 0
posted by Steve

## Similar Questions

1. ### math

Sarah had 4 pieces of rope.each piece was twice the length of the previous piece. the first piece was 1 foot 3 inches long. How many feet of rope did Sarah have altogether. first piece=1 foot 3 inches second piece= 2x1 foot 3

asked by bandar on September 3, 2015
2. ### MATH

The 120-foot rope is cut into 3 pieces.The first of rope is twice as long as the second piece of rope.The third piece of rope is three times as long as the second piece of rope.What is length of the longest piece of rope.

asked by Anonymous on April 24, 2010
3. ### Math

A 27 3/4 foot piece of rope will be cut into as many 2 1/2 foot pieces as possible. How many 2 1/2 foot pieces will there be and how much rope is left.

asked by annonymous on September 26, 2015
4. ### algebra

A 120-foot-long rope is cut into 3 pieces. The first piece of rope is twice as long as the second piece of rope. The third piece of rope is three times as long as the second piece of rope. What is the length of the longest piece

asked by ss on March 30, 2013
5. ### Math algebra

A 120- foot long rope is cut into three pieces the first piece of rope is twice as long as the second piece of rope the third piece of rope is three tines as long as the second piece of rope what is the length of the longest piece

asked by Anonymous on March 1, 2011
6. ### Math

a 120 foot long rope is cut into 3 pieces. the first piece of rope is twice as long as long as the second piece of rope. the third piece of rope id 3 times as long as the second piece of rope. what is the length of the longest

asked by Anastasia Presnyakova on April 19, 2014
7. ### math

A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope is three times aS LONG AS THE SECOND PIECE OF ROPE. WHAT IS THE LENGTH OF THE LONGEST PIECE OF ROPE? a

asked by eva on April 7, 2010
8. ### math

how many 4 1/2-feet pieces of rope can be cut from a 48-foot piece of rope?

asked by savannah on November 3, 2014
9. ### Math

Julian wants to put a border around two sides of a rectangular shaped Garden he has a 12 foot piece of lumber that will be cut into 1/3 foot pieces how many 1/3 foot pieces can julienne cut from the lumber??

asked by Luther on February 1, 2017
10. ### math

A spool of rope contains 73 yards of rope. How many​ 4-foot pieces of rope can be cut from the​ spool? How much rope is left​ over? There are nothing pieces of​ 4-foot rope that can be cut from the spool. ​(Type a

asked by rod on February 15, 2018

More Similar Questions