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Serjik [45]
3 years ago
14

Am I correct on #6???

Mathematics
1 answer:
solniwko [45]3 years ago
3 0

Answer:

im pretty sure it is 113.

Step-by-step explanation:


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A printer takes 30 minutes to print a banner and a poster. I will take 50 minutes to print a banner and three posters. How long
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Answer:

It takes the printer 20 minutes to print a banner

Step-by-step explanation:

Notice that there are two unknowns in this problem: the time to print a poster and the time to print a banner. Let's assign the letter "b" to the time it takes to print a banner, and "p' the time it takes to print a poster.

So we can write the following two equations involving the total amount of time that takes to print in the two cases:

b+p=30\\b+3p=50

We can solve for the unknown "p" by subtracting term by term in the equation set above:

b+3p=50\\b+p=30\\\\b-b+3p-p=50-30\\2p=20\\p=10

So it takes 10 minutes to print each poster, we can find the time it takes to print the banner by using the value we just found in one of the equations:

b+p=30\\b+10=30\\b=20

So, it takes 20 minutes to print a banner.

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3 years ago
Where is Point B on the number line
pishuonlain [190]
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Answer:

1/2

Step-by-step explanation:

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4.95a + 6.55b = 27.95

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