Yesterday morning Kimberly had 48 dollars. She first spent 3/4 of it at the mall. She counted her money. Later, she went to the movies and spent 1/3 of what was left after her shopping. How much

money does she have now?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

What is the sum of these mixed numbers 4 2/3+ 3 1/9