mr. Fred's farm is 20km from his house. He uses his car to travel "Y"km of the distance from his house and walks 1.5 hours at the same rate of 3km per hour to get to his farm. Find Y

Alaptop computer is purchased for $1350 . after each year, the resale value decreases by 30% . what will the resale value be after 5 years?

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

What is the lcm of 16 and 40 ? 24 and 40 ?