Question

How can you quickly calculate 20 percent of any bill amount?
A.
Round the amount to the nearest $10, remove the zero in the ones place, and add half the resulting amount.
B.
Round the amount to the nearest $10, remove the zero in the ones place, and halve the resulting amount.
C.
Round the amount to the nearest $10, remove the zero in the ones place, and double the resulting amount.

Answer 1

i would say -Round the amount to the nearest $10, remove the zero in the ones place, and add half the resulting amount.

Answer 2

thx

Answer 3

your so welcome