Question

45 cows can graze s field in 13 days.hoe many cows will graze the same field in 9 days?in the lesson name is direct and inverse variations

Answer 1

inverse variation is used for the situation

Answer 2

Its let x be the no of cows
45:x = 9:13
45/x = 9/13
45*13/9 = x
5*13 = x
65 = x