A box contains some red, yellow and blue candies, 40% of a box of candies are red and the rest of the candies are yellow and blue in the ratio 3:2 respectively. If there are 18 more red candies than yellow candies, how many candies are there in the box?
+15105 How many candies are there in the box?
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x=40%x+35(x−40%x)+25(x−40%x)40%x=35(x−40%x)+18x=0,4x+35(x−0,4x)+25(x−0,4x)0,4x=35(x−0,4x)+180,4x=0,6x−0,24x+180,04x=18x=450
450 candies are there in the box.
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