Question

35+13 < Yx 7< 55-5

Answer 1

35 + 13 < Y x 7 < 55 - 5

=> 48 < Y x 7 < 50

=> Y x 7 = 49

=> Y = 49 : 7

=> Y = 7

Answer 2

35 + 13 < Y x  7 < 55 - 5

    48     < Y x 7 < 50

=> Y x 7 = 49

=> Y = 7

Answer 3

35+13 < Yx 7< 55-5

48 < Yx 7< 50

48 < Yx 7=49 < 50

Yx 7=49

Y     =49:7

Y     =7