Peppers

In the box are yellow (a), green (b) and red (c) peppers. Their amount is in a ratio 2:4:1 . Most are yellow peppers and green the least. Calculate the number of peppers each type if the total number of peppers is 70.

Correct result:

a =  40
b =  10
c =  20

Solution:

$a=70\cdot 4\mathrm{/}(2+4+1)=40$

$b=70\cdot 1\mathrm{/}(2+4+1)=10$

$c=70\cdot 2\mathrm{/}(2+4+1)=20$

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