Evaluate the expression 1/4 : 2/5 - 1/2

Of 24 soccer players 6 forgot their water bottles what percentage of the players had their water bottles

How many three quarter pound burgers can be made with twelve pounds of hamburger?

Salma drove 605 miles in 11 hours at the same rate how long would it take her to drive 385

show me how to solve: 110 calories in 28.4 grams of cereal, how many calories in 34.08 grams of cereal?

Leah knit a scarf that is 130 centimeters long, Theo knit a scarf that is 4/3 as long

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.