RATIOS A3

If 3:2 = 11:B; Find the value of B.

Solution

3   =  11                            [cross multiply]

2       B

3 x B = 11 x 2

3B = 22

3B = 22                      [divide by 3 on both sides]

3        3

B =  22                      

          3

B = 7¹/3

Hence the value of B is 7¹/3