Question

I am lost and don't know where to start solving this problem.

Joni has an estimated energy expenditure of 2150 kcals per day.
She has decided to lose weight so she will follow a strict 1750 kcal per day diet. Additionally, she has joined a gym and will attend 2 classes per day; one is a spin class that will burn 250 kcals, the other is yoga that will burn 140 kcals.
Map out her theoretical weight loss under these circumstances for
a) 1 week and
b) 1 month (5 weeks).
Show all of your calculations with the final answers to two decimal points.

Answer 1