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A shop sells packs of black pens, packs of red pens and packs of green pens.

There are

2 pens in each pa

By Margaret

A shop sells packs of black pens, packs of red pens and packs of green pens.

There are

2 pens in each pack of black pens

5 pens in each pack of red pens

6 pens in each pack of green pens

On Monday,

number of packs

of black pens sold

:

number of packs

of red pens sold

:

number of packs

of green pens sold

= 7 : 3 : 4

A total of 212 pens were sold.

Work out the number of green pens sold.

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Margaret

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