Tebor weighed 84 kg. he went running everyday and began to lose mass. after one month his mass was 78 kg. what was the percentage decrease?

7.1%

Step-by-step explanation:

Given parameters:

Weight of Tebor  = 84kg

Weight of Tebor after losing weight = 78kg

Unknown:

Percentage decrease  =  ?

Solution:

To find the percentage decrease, determine the difference between his initial and final weight;

    Weight difference  = 84kg - 78kg  = 6kg

Percentage decrease  = x 100 = 7.1%

the answer for this question is 38