The average of your first three test grades is 78. what grade must you get on your fourth and final test to make your average 80?

A horse that weighs 1 1/4 tons is carrying a 110 pound person, a 15 ounce water bottle, and a 16 1/2 pound basket what is the weight of the horse, rider, and items in total?

Michael drove from Orlando to Jacksonville in 2 2/3 hours. The next day he drove from Jacksonville to Savannah in 4 4/7 hours. What was Michael's total driving time from Orlando to Savannah?

The planet Mercury is approximately 6 * 10*7 miles from the sun. the distance between the sun and Mars is approximately 2 * 10*8. About how many times farther from the sun is Mars than Mercury? A. 2 B. 3 C. 20 D. 30

Miss violet is buying granola bars for her students. she already has 16 granola bars in her desk and needs a total of 100 bars. they are sold in packs of 12. how many more boxes of granola bars does she need to purchase for her students?

The ratio of red cars to blue cars in a parking lot was 5:3 if there were 40 red cars how many blue cars would there be

What is the result of converting 6 inches into centimeters

Elizabeth is waiting for her flight at the airport. She decides to conduct an experiment. She wants to know how many people at the airport carry a laptop with them for their flight. She sees 50 people walk past her as she waits.

What is 6.3 : (6.03)

Need steps to solve this problem 5e+8f + (-2) e-12f

You drive 70 miles per hour but then slow your speed by 15 miles per hour. you then return to your speed of 70 miles per hour. which expression shows how your speed changed?