Answer:
35
Step-by-step explanation:
2 x 7 = 14
5 x 7 = 35
-8
-21-(-13)
=-21+13
=-8 is the answer......
2x=(x+30)
2x+x=30
3x=30
x=30÷3
x=10
1.321 us liquid gallons
a person can work out 50% of the maximum (50% of 194 is 97) and 85% of the maximum (85% of 194 is 164.9). This means that the target heart rate for a 20-year-old is approximately 97–165 bpm.
so I'd say 21
