Question

Brzycki's formula is used by weight lifters to determine the weight M that is equivalent in a single repetition to n repetitions of a weight w. The formula is M = w1.0278 − 0.0278n . It applies for up to n = 10 repetitions. In this exercise we consider a weight lifter who bench-presses several repetitions of w = 245 pounds. (a) What single bench press weight M corresponds to 7 repetitions of this weight? (Round your answer to two decimal places.) M = lb (b) What number of repetitions n of this weight corresponds to a single bench press of 284.55 pounds? (Round your answer to the nearest whole number.) n = repetitions

          Brzycki's formula is used by weight lifters to determine the weight M that is equivalent in a single repetition to n repetitions of a weight w. The formula is
M = 
w1.0278 − 0.0278n
.
It applies for up to 
n = 10
 repetitions.
In this exercise we consider a weight lifter who bench-presses several repetitions of 
w = 245 pounds.
(a) What single bench press weight M corresponds to 7 repetitions of this weight? (Round your answer to two decimal places.)
M = lb
(b) What number of repetitions n of this weight corresponds to a single bench press of 284.55 pounds? (Round your answer to the nearest whole number.)
n = repetitions

Added by Jason B.

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