What is 160% of 40? Four students solved this problem and their work is shown below. Choose the student whose work is correct.
Cam's work
Gitana's work
Naoko's work
Sanjay's work
16
1.6
0.16
160
x 40
x 40
x 4
O
ОО
O
x 40
00
ОО
00
640
6.40
640
6400
640
6 4.0
6.40
6400

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

I’m confused on how to work the pie charts

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts