3rd grade math, learning fractions on number line

If 15 ceramic vases cost $25, and 5 glass vases cost $15, how much did I on average spend for each vase?

What is 6,739 divided by 6

Rewrite x-5y=-15 using function notation.

There are a total of 48 students in grade 10 charity. Twenty are boys and 28 are girls. S uppose that a team of 3 students is formed such that it is composed of a team leader, a secretary, and a spokesperson.

Tran is packing a box of books and toys to be shipped. each book weighs 3 pounds and each toy weighs 0.5 pound. the total weight of the box must be less than 10 pounds. what are the constraints on the variables?

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.