Question

MATH HELP!
When you exercise, your pulse rate rises. Recommended pulse rates vary with age and physical condition. For vigorous exercise such as jogging, the inequality 0.7(220 – a) ≤ R ≤ 0.85 (220 – a) gives a target range for pulse rate R (in beats per minute) based on age a( in years).

V. In what range should your pulse rate be when you are jogging?
Show work here:

Answer:__________________


VI. What is the target range for a person 15 years old?
Show work here:


Answer:_________________

Answer 1

umm what grade is this?

Answer 2

9th

Answer 3

oh ok. public school or online school?

Answer 4

online, can you help?

Answer 5

I think.

Answer 6

what kind of math??

Answer 7

can you just help me with the questions? please:/

Answer 8

im working on it, it may take a few

Answer 9

okay thanks