Record the data on a line plot 20,17,20,17,18,17,20,18,16

One point for 16, three points for 17, two points for 18, none for 19, and three for 20.

Step-by-step explanation:

Count how many points you will have per number. Then plot accordingly. For example, 20 is repeated 3 times, so we will have to plot 20 three times.

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.