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sadiejane1125
28.07.2019 •
Mathematics
Doris uses 8 square pieces to make one scarf. each side of a square piece of fabric is 1/4 yard in length. doris can buy large pieces of fabric that are 1/4 yard long and 2 yards wide.how many large pieces of fabric should she buy to make 7 scarves? show your work?
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Ответ:
If she gets 8 pieces, that is 1/16 x 8 = 2 yds of fabric for each scarf.
To make 7 scarves, she'll need 2 yd x 7 = 14 square yards of fabric total.
The pieces of fabric she can buy are 1/4 x 2 = 1/2 square yard.
If you divide the amount she needs (14) by the amount that comes in each large piece of fabric (1/2 yd), you will get 28.
28 divided by 1/2 is 28 x 2/1.
She will need 28 large pieces of fabric to make 7 scarves.
Ответ: