Exponential form of (32)3

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Equation for the calculation double 2 and then add 5

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?