GRE
Exam
Numerical Ability
Arithmetic
The maximum recommended pulse rate R, when exercising, for a person who is x years of age is given by the equation R= 176 - 0.8x. What is the age, in years, of a person whose maximum recommended pulse rate when exercising is 140 ? (A) 40 (B) 45 (C) 50 (D) 55 (E) 60
Read Solution (Total 1)
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- Correct Answer is Option (B)
R = 176 - 0.8x
140 = 176 - 0.8x
0.8x = 36
x = 45 - 6 years agoHelpfull: Yes(0) No(0)
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