Question

A farm has ducks and pigs. There are 8 more ducks than pigs and between all the ducks and pigs, the farmer counts 70 legs. How many ducks and how many pigs in total?

Answer 1

Let ducks are X and pig are Y

(equa. 1) X+Y=35

(equa. 2) 2X + 4Y =98

Solving both equations we get

X= 21 and Y=14