Charmaine made costumes for the annual school play. She used 2 rolls of blue fabric. If each roll had 399.6 in of fabric, what is the total length of the fabric
she used? Write your answer in yards.
Use the table of conversion facts as necessary, and do not round your answer.

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Ответ:

andybiersack154

04.12.2021

Mathematics

the saving company have is: 24 $in^{2}$ *$1.25 = 30

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one. Please have a look at the attached photo.

We need to caculate the surface areas of

Box 1 = 2lw+2lh+2hw = 2*20*4 + 2*20*6 + 2*6*4 = 448 $in^{2}$

Box 2 = 2lw+2lh+2hw = 2*15*8 + 2*15*4 + 2*4*8 = 424 $in^{2}$

So the differences in surface areas of the two boxes is:

448 $in^{2}$ - 424 $in^{2}$

= 24 $in^{2}$

So the saving company have is: 24 $in^{2}$ *$1.25 = 30

Hope it will find you well.

The material used to make a storage box costs $1.25 per square foot. The boxes have the same volume.

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Charmaine made costumes for the annual school play. She used 2 rolls of blue fabric. If each roll had 399.6 in of fabric, what is the total length of the fabric she used? Write your answer in yards. Use the table of conversion facts as necessary, and do not round your answer.