If the price of a hamburger increased from $3.50 to $4.20 what is the percentage increase in price

Kristen can run 9km/h and walk 3km/h. she completed a 42km marathon in 6 hours. what distance did kristen run during the marathon?

Jada and Carl share a box of cereal. By the end of the week, Jada has eaten 3/10 of the box and Carl ate 3/5 of the box. How many ounces are left in the box?

Isaac drinks 8 glasses of water each day. He's says he will drink 2920 glasses of water in a year that has 365 days. Is the exact answer reasonable

A juice can is 16cm tall and has a diameter of 9cm. The ends of the can are tin and the body is cardboard. What area of cardboard is used?

a bag contains white, blue and red balls in the ratio 8:3:2. there are 10 red balls. If 10 white and 10 blue balls are removed from the bag, find the new ratio

A study investigated whether boys are quicker at learning video games than girls. Twenty randomly selected boys and twenty randomly selected girls played a video game that they had never played before.

A movie theater was organizing its movie posters for an upcoming sale they found that for every 5 action movie posters they were 2 animated movie posters

188=4 (7v-2) solve for v?

What times what equals 3.75

How do you write 3 1/6 as a decimal