Question

Marc lost 2 the first week of his diet, over the next three weeks he lost 6 pounds gained 7 pounds and then lost 6 pounds what was the cha he in his weight over the four weeks

Answer 1

- 7 ; 7 pounds loss in weight.

Explanation:

Given that :

Week ______ weight loss/ gain

1 ____________ - 2

2 ____________ - 6

3 ____________ + 7

4 ____________ - 6

Loss in weight is denoted by a negative sign;

The change in weight is the net sum of weight loss over the 4 weeks period

(-2) + (-6) + (7) + (-6)

-2 - 6 + 7 - 6 =-7

Hence, there is a 7 pounds loss in weight over the 4 weeks period.