Your answer would be A: 24
because 20% of 30 is 6 and because he wants to decrease it by 20% (or 6) it would make your answer 24.
20% into a decimal is .20
.20 divided by 30=6
Answer: False
Explanation:
Aerobic respiration refers to the use of oxygen by the body's cells to convert carbohydrates, amino acids and fats into energy while Anaerobic respiration releases energy by doing the same only it does so without oxygen.
Anaerobic respiration usually happens when the body is engaged in an activity that needs more oxygen than the lungs can supply.
These two energy sources usually work together to supply the body with enough energy however, the amount that each gives depends on the activity being done.
It needs atleast 20 minutes a day in order to have an effective cardio exercise.
If you really wanted to have a good cardio exercise that will benefit you and have a good health and healthy lifestyle, then you have to spare your 20 minutes a day.
