Let's solve your inequality step-by-step.
5x<30
Step 1: Divide both sides by 5.
5x
5
<
30
5
x<6
Answer:

Step-by-step explanation:
Answer:
19 situps
Step-by-step explanation:
Given that the regression equation to find a a relationship between hours of TV watched per day (x) and number of situps a person can do (y) was done.
The result was
y = ax+b

Correlation coefficient = 0.865
To predict the number of situps a person who watches 3 hours of TV
y = -1.23(3)+22.738
= 19.048
Approximately 19 situps.