+318 The ratio of apples Andrew, Ben, and Declan had was 3 : 8 : 4. When Ben gave 21 apples to Andrew and Declan, all of them have the same number of apples in the end. How many apples did Ben have at first?
+1639 The ratio of apples Andrew, Ben, and Declan had was 3 : 8 : 4. When Ben gave 21 apples to Andrew and Declan, all of them have the same number of apples in the end. How many apples did Ben have at first?
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A : B : D = 3 : 8 : 4
3x + 4x +21 = 2(8x - 21)
x = 7
8x = 56
Ben had 56 apples 
