Mike is strength-training for health-fitness purposes. He should allow ____ minute(s) of rest between sets.
A) 0.5
B) 2
C) 10
D) 15
E) 20
Question 2
Adam is working to stimulate strength development; an appropriate resistance of approximately ____ percent of 1 RM is recommended.
A) 100
B) 90
C) 80
D) 70
E) 60