4) Nancy receives a $20000 salary for working as an engineer. If Nancy sponds 70% of her salary on expenses each year, then how much money does Nancy have to spend on
expenses? Round your answer to the nearest Whole number if necessary

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.

6(2x + 5y)6 (2x) = 12x6 (5y) = 30y12x + 30y