Question

Marta bought a 0.25 kilogram box of fish food. She uses 80 grams a week. Is one box of fish food enough for 4 weeks? Explain.

Answer 1

well 80x4=320 so one box is not enough

Answer 2

She bought 0.25 KG which is 250 gram , if she uses 80 a week then in a 4 weeks period she would use 80x4=320 gram .
so the 250 gram will not be enough