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rjkz [21]
3 years ago
11

What is the value of the expression 5b+3c-20+3b-15c+4 when b= 2 and c= -3

Mathematics
1 answer:
Molodets [167]3 years ago
3 0

Answer: 36

Step-by-step explanation:

5(2)+3(-3)-20+3(2)-15(-3)+4

10-9-20+6+45+4

-19+55

36

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The ratio of coloured papers to wight papers is 3:8.If there are 48 wight papers, how many coloured papers are there?
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Answer:  The total number of colored papers is 18.

Step-by-step explanation:

Given: The ratio of coloured papers to wight papers is 3:8.

Let total number of colored papers = 3x

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4 0
3 years ago
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musickatia [10]

Answer:

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andrey2020 [161]
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