Distributive property of 68/4

A 136 students are in the cafeteria. The ratio of students buying lunch to those who brought their lunch is 3:10. How many students brought their lunch?

Find the Net Pay: hours worked--27 1/4, $5.15 an hour, Federal tax--$6.19, Social Security--$10.74, Other--$6.37.

The sum of three times a number and 28 is 484. Find the number.

Fiona and her friends went to a smoothie shop. They ordered three strawberry smoothies and two protein shakes for a total of $24.00. Last week they ordered one strawberry smoothie and four protein shakes for a total of $25.50.

Simply the expression ab+2ab-b+9

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.