Tu is getting money. He decided to buy candy and sell them.He paid 1.50 each.He sold all but 20 for 3 each and made a profit of 240.How many candies did he buy

Question

Need help ASAP. Algebra

Answer 1

candies sold = x

x+20 = y = candies bought (1st equation)

3x -1.5y = 240 (2nd equation)

replace y in 2nd equation:

-1.5(x+20)+3x = 240

- 1.5x -30 + 3x = 240

1.5x = 270

x = 180

y = 200 candies bought