WILL GIVE A BRAINLIEST IF UR 100% RIGHT PLEASE HELP!!
The American College of Sports Medicine recommends exercising at an intensity of 60% to 90% of your maximum heart rate.
Age
20-24
25-29
30-34
33-39
40-44
Maximum Heart Rate
200
195
190
185
180
Target Range
120-180
117-176
114-171
111-167
108-162
Rudy is 42 years old. Write an inequality to represent at least 70% of his maximum heart rate.
a.
x ≥ 70+180 or x ≥ 250
b.
x ≥ 0.07 * 180 or x ≥ 12.6
c.
x ≥ 0.7 * 180 or x ≥ 126
d.
x ≥ 180-70 or x ≥ 110
