THE RATIO OF BOOTS TO SANDALS IS 8:3. IF THERE ARE 245 MORE BOOTS THAN SANDALS HOW MANY BOOTS ARE THERE?

Sagot :

b / s = 8 / 3 ;
b = 245 + s ;
then, b = 8k and s = 3k ;
8k = 245 + 3k ;
5k = 245 ;
k = 245 / 5 ;
k = 49 ;
s = 3 * 49 = 147 sandals ;
b = 8 * 49 = 392 boots.