Question

The cost per minute of a conference call, originally $2.80, increased by 20%. What is the new price?

Answer 1

2.80    .56 = 3.36

Answer 2

First find 20% of $2.80 by multiplying $2.80 X .2 which gives you $.56
Then add $2.80   $.56 to get the new price of $3.36