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SVETLANKA909090 [29]
3 years ago
10

Ms. Johnson has a box of 60 red and black pens on the shelf. If the ratio of red to black pens is 2 to 3, how many red pens does

she have?
Mathematics
2 answers:
Elena-2011 [213]3 years ago
8 0
Red to Black.
2 to 3.
For every 2 red we have 3 black so
For 4 red we have 6 black and so on..
Notice that
For every 2+3=5 pens we have 2 red ones
If we divide the total number of pens 60 into groups of 5 we will get 60 /5= 12 groups.
12 groups •2 red pens=24 red pens
Ksivusya [100]3 years ago
5 0
40 red pens I believe
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