[8]
Part A) Selling 24 bottles will allow him to earn 36 dollars.
Part B) He would receive $150 from selling 100 bottles.
Explanation: In order to solve these you would need to find the price of one bottle. To do so you would divide the amount they earned by how many bottles they sold. This gets you 1.5, meaning each bottle is worth 1.5. With this information all you have to do Is multiply how many bottles sold by that number, to get how much they earned.
[9]
Part A) He should do the parenthesis first, therefore division.
Part B) The value of the expression would be 52.