1. Cost of a Ball
If a bat & a ball cost R1.10 but the bat cost R1 more than the ball, what is the cost of the ball?
2. What is the answer
11 = 20
87 = 151
92 = 117
63 = 93
72 = ??
Answers
1. Cost of the ball = 5 cents
2. 72 = 95