How to calculate how many times greater a number is?

What is the mean out of 20,12,29,49

Laura has 24 stamps from each of 6 different countries. she can fit 4 stamps on each display sheet an album. How many display sheets can laura fill with stamps?

Give two other ratios that are equal to 5 to 9

A chef cooks 9lbs of chicken for 36 people and for 68 people it takes 17 lbs of chicken

Can the positive integer p be expressed as the product of two integers, each of which is greater than 1?1) 31 < p < 372) p is odd

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.