+176 There are some chocolate and strawberry candies in a container. 2/5 of the chocolate candies and 1/2 of the strawberry candies add up to 138 candies. 2/3 of the chocolates candies and 5/7 of the strawberry candies add up to 210 candies. How many chocolate candies are there?
+37146 System of equations
2/5 c + 1/2 s = 138 <==== solve this for s= 2 (138 -2/5 c)
2/3 c + 5/7 s = 210 < ==== sub in the red equation for s
2/3 c + 5/7 (2(138-2/5 c) ) = 210 now solve for 'c'
