Kim had 160 cards in a box. she gave 4/10 of the cards to maddy. how many cards did kim have left in the box

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

As a salesperson you get $50/day and $3.60/each sales you make.if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?