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Elenna [48]
3 years ago
6

Three friends have some ribbon.carol has 42 inches of ribbon,tino has 2.5 feet of ribbon,and baxter has 1.5 yards of ribbon.expr

ess the total length of ribbon the three friends have in inches,feet and yards
Mathematics
1 answer:
Alika [10]3 years ago
8 0
Part A: 2.5 ft = 30 in.
1.5 yd = 54 in.

42 + 30 = 72 in.
72 + 54 = 126 in.

So, they have one hundred twenty-six inches of ribbon.

Part B: 126 in. = 10.5 ft

In other words, they have ten and a half feet of ribbon.

Part C: 126 in. = 3.5 yd.

In other, OTHER, words, they have three and a half yards of ribbon.
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Step-by-step explanation:

Given,

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Multiplying Eqn 1 by 10

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Subtracting Eqn 3 from Eqn 2

(10x+22y)-(10x+10y)=342-210\\10x+22y-10x-10y=132\\12y=132

Dividing both sides by 12

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Putting y=11 in Eqn 1

x+11=21\\x=21-11\\x=10

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Multiply equation (2) by 2.

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