Question

Yvonne records her weight from 1 February to 21 March, once per week on the same day, with same clothes on. What was total weight in (grams) that she lost during this timeDate: [1 Feb] [7 Feb] [14 Feb] [21 Feb] [1Mar] [7 Mar] [14 Mar] [21 Mar] [65,8] [65,0].. [65,1] [64,5]Weight(kg) : [65,5] [65,9]. [65,2]. [64,6]

Answer 1

WeANSWER

Th total weight she lost during the time was 1 gram

STEP BY STEP EXPLANATION

We can use 2 method to solve this.

Starting with Method 1:

Step 1: find the difference in weights

7th Feb - 1st Feb = 0.4

14th Feb - 7th Feb = -0.7

21st Feb - 14th Feb = -0.6

1st Mar - 21st Feb = 1.2

7th Mar - 1st Mar = -0.8

14th Mar - 7th Mar = 0.1

21st Mar - 14th Mar = -0.6

Total = -1 (this means weight loss of 1 gram)

Method 2

Weight at first day (1st Feb) - Weight at Last day (