A student answers 80% of the questions on the math exam correctly, if she answers 20 questions correctly. How many questions are on the exam?

Haruka hiked several kilometers in the morning in the morning. She only hiked 6 kilometers in the afternoon, which was 25% less she had hiked in the morning. How many kilometers did haruka hike in all?

Last night, 4 friends went out to dinner at a restaurant. They split the bill evenly. Each friend paid $12.75 for his or her meal and each left the same amount for a tip, t. The total dinner bill including the tip was $61.

Find the kilograms in 4000g

Cody filled of a bag with litter that he was picking up. michelle filled of a bag with litter. how much more litter did cody pick up than michelle?

If 3x+14=80, then 3x = 66. ?

anna and mackenzie are 162 miles apart, traveling towards each other. if mackenzie is traveling at 18 mph and Anna at 9mph how long u til they meet?

What's 9.98 in word form

5. Higher Order Thinking Maria has two $20 bills, three $5 bills, and four $1 bills. What other bill or bills does she need to buy a present that costs $69?

For a triangle with length of its sides of 120, 22 and 122, determine if it is a right triangle.

Laura took 12 hours to read a 360 page book. At this rate, how long will it take her to read a 400 page book?