Mathematics: there are 400 pens in a shop 40percent are black 20percent of the other colored pens are blue and 10percent of other pens are yellow if the remaining are red what percent of pens are red

there are 400 pens in a shop 40percent are black

Ответ:

sandy701

02.02.2022

Percents is a number out of 100. So basically what you’re going to do here is add up the percents. 40+20+10. Add that up and you get 70. You then subtract 70 from 100. You get 30. So the percentage of red pens is 30%.

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Ответ:

reginaldlegette

12.04.2022

Mathematics

$253.35

Step-by-step explanation:

A=200(1+0.03)^8

A=253.35

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there are 400 pens in a shop 40percent are black 20percent of the other colored pens are blue and 10percent of other pens are yellow if the remaining are red what percent of pens are red

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