Question

The maximum heart rate, in beats per minute, that you should achieve during exercise is 220 minus your age,

220 minus a220−a.Your exercise goal is to improve cardiovascular conditioning. Use the following formulas to answer parts a and b.

Lower limit of range |
Hequals=seven tenths left parenthesis 220 minus a right parenthesis710(220−a) |
---|---|

Upper limit of range |
Hequals=four fifths45(220 minus a220−a) |

Answer #1

Age is not given in the question, so let’s take age as 39 years

a. The lower limit of the heart range, in beats per minute,

For a 39-year-old with the given exercise goal is 7/10( 220 -39) = 7/10(181) = 1267/10 = 126.7 = 128 heart beats per minute (on rounding off to the nearest integer).

b. The upper limit of the heart range, in beats per minute,

for a 39-year-old with the given exercise goal is 4/5( 220 -39) = 4/5( 181) = 724/5 = 144.8 = 145 heart beats per minute ( on rounding off to the nearest integer).

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