Question

A cellphone company is offering 30% off a new cell phone if an old cell phone is traded in. what is the amount of the discount if the new cellphone is $278?

Answer 1

You have that the price of a new cellphone is $278, furthermore, the price of the new cellphone has a discount of 30% if an old cellphone is trade in.

In order to determine the amount of the discount you calculate the 30% of the price of the new cellphone.

You divide by 100 the percentage 30, and the result of this is multiplied by the price of new celphone, just as follow:

`(30)/(100)*278=83.4`

Hence, the discount is of $83.40