Q1:The number of students in a chess club decreased from 23 to 13. What is the percent decrease? Round your answer to the nearest percent. The percent decrease is ? %.

Q2:The price of a pair of shoes increases from $68 to $81. What is the percent increase to the nearest percent?

The percent increase is ? %.

Step-by-step explanation:

1) Decreased students = 23 -13 = 10

Decreased percentage =

                                       = 43%

2) Increased amount = 81 - 68 = $ 13

Increased percentage =

                                    = 19%

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b