Question

At the beginning of July, Kim had a mass of 63kg.

At the end of July, his mass was 61kg.

Calculate the percentage loss in Kim’s mass.

Answer 1

Answer:

weight of Kim at the beginning of July = 63 kg

weight of Kim at the end of July = 61kg

percentage of loss = decrease in weight/weight before decrease × 100

=>63-61/63×100

=>2/63×100

=>3.174603174603%

Answer 2

Answer: 3.17%

Step-by-step explanation:

63-61=2 [loss]

%loss = 2/63 * 100  [loss/original * 100]

          = 3.17 % [3sf]