Respuesta :

32 divided by (3+7) = 3.2
3.2x3= 9.6
3.2x7= 22.4
Therefore 9.6:22.4
So in the ratio 3:7 there are 10 total parts. (3+7=10). So find 3/10 of 32 and 7/10 of 32. 
0.3*32=9.6, 
0.7*32=22.7

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