Carl has three lengths of cable,

5

_

6

yard long,

1

_

4

yard long,

and

2

_

3

yard long. He needs at least 1 yard of cable.

a

Which two pieces together make a length at least

1 yard and closest to 1 yard?

b

If Carl uses the two shortest pieces, how much more cable would he need?

Question

Jaylene Huerta

Mathematics

19 October, 10:43

Carl has three lengths of cable,

5

_

6

yard long,

1

_

4

yard long,

and

2

_

3

yard long. He needs at least 1 yard of cable.

a

Which two pieces together make a length at least

1 yard and closest to 1 yard?

b

If Carl uses the two shortest pieces, how much more cable would he need?

+1

Answers (1)

Know the Answer?

Esther Quinn · Answer 1

Lowest common denominator for 3,4,6 is 12

5/6 = 10/12

1/4 = 3/12

2/3 = 8/12

a)

10/12 + 3/12 = 13/12 = 1 1/12

So you need to use first and second cables

b)

3/12 + 8/12 = 11/12

To reach 1 yard Carl need 1/12 yard cable

Carl has three lengths of cable,5_6yard long,1_4yard long,and2_3yard long. He needs at least 1 yard of cable.aWhich two pieces together make a length at least1 yard and closest to 1 yard?bIf Carl uses the two shortest pieces, how much more cable would he need?

Carl has three lengths of cable,

5

_

6

yard long,

1

_

4

yard long,

and

2

_

3

yard long. He needs at least 1 yard of cable.

a

Which two pieces together make a length at least

1 yard and closest to 1 yard?

b

If Carl uses the two shortest pieces, how much more cable would he need?