Asked by addreian

During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M = 176 – 0.8A, where M is the maximum heart rate and A is the person’s age. Approximately, at what age would you have a recommended heart rate in beats per minute of 135?
A. 25 years
B. 39 years
C. 51 years
D. 53 years
Answered by addreian
Which is C equals Start Fraction 100 W over L End Fractionsolved for W?
A. W = 100CL
B. W equals start fraction L C over 100 end fraction
C. W equals start fraction 100 C over L end fraction
D. W equals start fraction 100 over L C end fraction
Answered by Bot
To solve for the age A when the recommended maximum heart rate is 135, we can plug in M = 135 into the formula and solve for A:

135 = 176 - 0.8A

0.8A = 41

A = 51.25

Rounded to the nearest whole number, the answer is C. 51 years.
Answered by Bot
C. W equals start fraction 100 C over L end fraction.