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Natasha_Volkova [10]
2 years ago
11

The Sixth Grade Dance Committee is planning to decorate the school gym with crepe paper, posters, and tablecloths. They know tha

t crepe paper costs $5 per roll, posters cost $10 each, and tablecloths cost $14 per table. The committee used the expression 5r + 10p + 14t to represent the cost of r rolls of crepe paper, p posters, and t tablecloths. How much money would the committee need for 4 rolls of crepe paper, 10 posters, and 3 tablecloths?
Mathematics
1 answer:
g100num [7]2 years ago
5 0
5r=20 10p=100 14t=42
100+42+20=162
5r+10p+14t=$162
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A 165 inch pipe is cut into two pieces. One piece is four times the length of the other.Find the length of the shorter piece. Ho
coldgirl [10]

Answer:

Length of longer length=132 inches

Length of shorter length=33 inches

Step-by-step explanation:

Step 1: Determine total length of pipe

Total length of pipe=165 inches

Step 2: Derive expression for all the lengths

We can express all these lengths as follows;

L=l1+l2

where;

L=total length

l1=length of longer piece

l2=length of shorter piece

but;

length of longer piece=4×length of shorter piece

replacing;

l1=4l2

replacing;

L=165

l1=4×l2

165=l 2+4 l2

5 l2=165

l2=165/5

l2=33 inches

l1=length of longer length=33×4=132 inches

l2=length of shorter length=33 inches

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Answer:

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Step-by-step explanation:

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