Question

Your survey indicates the following favorite beverage choices: 20 milk, 13 water, 22 soda, 32 coffee. What percentage of customers can you satisfy if you just serve milk or water?

Answer 1

20+13=33 out of 33+22+32=87
33 out of (/) 87 = 33/87=0.379 or 0.38 or 38% :)

Answer 2

28.71% of Customers will be satisfied from just milk or water.

work: 20+13=33 +(22+32)=87
87 x .33 = 28.71