$52 sweater on sale for $31.20 find the percent of discount or markup

40%

Formula explanation:

Our formula we will be using is: a=pw

a is the part amount, p is percent and w is the whole amount.

We need to find the percent so our formula will look like this:

a is $31.20 | p is UNKNOWN | w is $52 | $31.20=p($52) |

Step-by-step explanation:

First, we need to divide:

$31.20 divided by $52 = 0.6

We need to make 0.6 into a percent to subtract by 100:

0.6 = 60% | 100% - 60% = 40%!

WRITTIN FORM:

40% is the percent of discount/markup.

            Hope this helps!

            ~Hocus Pocus

step-by-step explanation:

the red lines denote the population of the bacteria after 35 hours. that would be 2,409.24. the y-intercept is the blue line which is 800 because that is the starting point. the equation used to make the graph is 800(1.032)^h, where h is the number of hours.

step-by-step explanation: