Suppose 5kg of sugar contains 5 x 10 crystals. How many sugar crystals are there in a) 2 kg of sugar?
b) 1.2 kg of sugar?​

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Icould really use some with this question.

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?