If Machine A makes a yo-yo every five minutes and Machine B takes ten minutes to make a yo-yo, how many hours would it take them working together to make 20yo−yos?

If Machine A makes a yo-yo every five minutes and Machine B takes ten minutes to make a yo-yo, how many hours would it take them working together to make 20yo−yos?

Unit rate word problems

Earth orbits the sun in an elliptical pattern. The equation of Earth's path is (x+2.5)^2/22350.25 + y^2/22344=1 where the measurements represent millions of kilometers. The sun is located...

When carrying 45 gallons of fuel, it weighs 2261 pounds. How much does the airplane weigh if it is carrying 60 gallons of fuel?

Meiling and Fuminhad $280 together. After Meiling spent½ of her money and Fumin spent ¼ ofhis money, they each had the sameamount of money left. How muchmoney did Meiling have at first?

I'm not very good with work problems so if so one could please answer this question thank you

World problem help step by step the question Is above

a factory assembly 4-cylinder and 6-cylinder engines . how many motors of each kind must the factory make to fill an order for 20 engines with a total of 92 cylinders ?

you want to make a 10 pound mixture of almonds and peanuts that is worth $4.60 per pound. the almonds are worth $5 per pound and the peanuts are worth $3 per pound. how many pounds of almonds and...

The surface of the patio will be covered with hexagonal pavers measuring 12 in. across the corners. How many pavers will be needed? the area of a hexagon with side length, a, is given A=2.598a^2 and...

In 2007, country A used an average of 6.16.1 million gallons of oil per day less than twice that used by country B. The total used by both regions in one day was 33.833.8 million gallons. Determine...

a plane can fly 2000 miles with a tailwind in 4 hours. it can make the return trip against the same wind in 5 hours. find the speed of the plane in still air and the speed of the wind

While trick or treating in Clayton, NY (population 1,978), some friends play a counting game-they counted all the houses they visited while trick or treating (they all counted the same houses). Diego...

Natasha is 9 times Eric's age. In 10 years, the sum of their ages will be 50. What is Natasha's age now? Can you please explain how I would set up this equation...thank you

Hello, I'm having a little trouble solving this problem: Raul works for Norwalk Parking Authority and is studying the parking rates for short term parking (up to 24 hours) in a new parking...

round to two significant digits. Note: the formula... C=2(pie)r

Then he dropped down 10 more feet and took some pictures. He continued this pattern until he had dropped seven times. How far beneath the surface was he at this point?

The perimeter of the field is 320 yards. find the length and the width

The perimeter of the field is 320 yards. find the length and the width

ABC Plumbing charges its customers for the time it takes to complete a job. the company charges $175 for the first hour and $120 for each hour after the first hour. If you were charged $325 to fix...