A water tank is connected to two pipes. When both pipes are open they can fill a tank in 5 hours. The larger of the pipes can fill the tank three hours sooner than the smaller pipe can. How long will...

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A company charges a fixed fee for renting a moving van, in addition to charging per mile driven. If a person rents a moving van and drives it 100 miles the charge is $35. If a person rent a moving...

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The length of a rectangular lawn is 5 feet more than it's width. If the area of the lawn is 980 sq feet find the dimensions of the lawn. Round to nearest tenth of a foot.

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A projectile is launched upward with an initial velocity of 80ft per second from the roof of a building 12ft high. How long will it take until the projectile lands on the ground? Round to nearest...

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A projectile is launched upward with an initial velocity of 144feet/ second from the roof of a building. The height of a projectile (in feet) after t seconds is given by the function h(t)=-16tsquared+144t+50...

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A 130 lb. person who runs at 6 mph for 1 hour burns about 720 calories . The same person, walking at 2 mph for 90 min burns about 240 calories. Suppose a 130-lb. person runs at 6 mph for 75 min. How...

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Suppose $1000 is invested at interest rate k, compounded continuously, and grows to $1144.54 in 3 years. 1) What is the interest rate? 2) What is the exponential growth formula...

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In a saber fencing cometition involving 7 competitors Jill won twice as many bouts as bryan while boris won 1 more than Jill. Dieter ended with 3 times more than Bryan. How many bouts did Jill, Boris,...

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Vincent who is half as efficient as Eric takes 18 days to complete a task if he works alone. If Vincent and Eric work together how many days will it take them to complete the task?

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Algebra 1. Just solve please(: