Jada went to the mall yesterday with $30. • She spent 2/5 of her money on a new purse.
She spent / of what was left at the food court.
• She gave $5 to her friend.
How much did she have left?

Im pretty sure she should have $13 left.

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.