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Travka [436]
4 years ago
7

Doris uses 8 square pieces of fabric to make one scarf.Each side of a square piece of fabric is 1/4 foot in length.Doris can buy

large pieces of fabric that are 1/4 foot long and 2 feet wide.How many large pieces of fabric should she buy to make 7 scarves?
Mathematics
1 answer:
Lena [83]4 years ago
8 0

Answer:

7 pieces

Step-by-step explanation:

Given that,

length of square pieces of fabric = 1/4 foot

Doris used 8 of these piece so total fabric used

  8 (l²)

= 1/2 foot²

1 scarf area =  1/2 foot²

7 scarf area = 7* 1/2 foot²

                    = 7/2 foot²

<h3 /><h3>When Doris uses piece of fabric that is 1/4 by 2 foot </h3>

area of one piece of that fabric = 2 * 1/4

                                                    = 2/4

                                                    = 1/2foot²

So,

number of pieces required to make 7 scarfs = (7/2) / (1/2)

                                                                             = 7  pieces

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