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2 years ago

There are 20 pens in a package. Ten of the pens are black, 8 are blue, and the rest are red.

2 answers:

3 0

If there are ten black pens, eight blue pens, and twenty pens in total, then there are 2 red pens. This means that the ratio of red to black is 2:10=1:5. Hope this helps!

saul85 [17]2 years ago

3 0

Answer: The ratio represents the number of red pens to black pens = 1:5.

Step-by-step explanation:

Given : Total pens in package = 20

Number of black pens = 10

Number of blue pens = 8

Number of red pens = (Total pens in package) - (Number of black pens ) -(Number of blue pens )

= 20-10-8

Now , the ratio represents the number of red pens to black pens =

Number of red pens : Number of black pens

=2 : 10

= 1 :5 [Dividing both sides by 2]

Thus , the ratio represents the number of red pens to black pens = 1:5.

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Using the together rate, it is found that it would take them 16 hours to sew 12 dresses.

<h3>What is the together rate?</h3>

The together rate is the <u>sum of each separate rate</u>.

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