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Susan wants to make aprons for cooking. she needs one and three fourths yards of fabric for the front of the apron and three eighths yards of fabric for the tie. part a: calculate how much fabric is needed to make 3 aprons? show every step of your work. (5 points) part b: if susan originally has 7 yards of fabric, how much is left over after making the aprons? show every step of your work. (5 points) part c: does susan have enough fabric left to make another apron? explain why or why not. (2 points)

Sagot :

sqdancefan

Answer:

  • 6 3/8 yards for 3 aprons
  • 5/8 yards left over
  • not enough

Step-by-step explanation:

Given that an apron pattern needs 1 3/4 yards of fabric for the front and 3/8 yards for the back, you want to know (a) the amount needed for 3 aprons; (b) the amount left over from 7 yards; (c) whether the remainder is enough for another apron.

a) Amount needed

The amount of fabric needed for 1 apron is the sum of the amounts needed for the front and back.

  amount for 1 = (1 3/4 yds) + (3/8 yds) = (14/8 +3/8) yds = 17/8 yds

  amount for 1 = 2 1/8 yds

The amount needed for 3 aprons is 3 times this amount, or ...

  amount for 3 = 3 × (amount for 1) = 3 × (2 1/8 yds) = 6 3/8 yds

The amount of fabric needed for 3 aprons is 6 3/8 yards.

b) Left over

The amount left over from 7 yards is ...

  7 yds - 6 3/8 yds = (6 8/8 - 6 3/8) yds = 5/8 yds

The amount left over from 7 yards is 5/8 yards.

c) Another?

The leftover amount (5/8 yds) is considerably less than the 2 1/8 yards needed for another apron. There is not enough for another apron.

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