# math

posted by .

A spray rig moving at 3 mph delivers 44 gallons per acre when the nozzles on the rig are 20 inches apart.
a) Suppose the number of nozzles were increased so that they were only 15 inches apart. Find the new delivery rate of the rig.

b) How could this revised delivery rate be achieved by changing the speed of the rig instead of the spacing of the nozzles?

## Similar Questions

1. ### Help!! With 2 math questions!!

There are 36 inches in one yard. How many yards and inches are there in 3785 inches?
2. ### Trigonometry

A car with wheel of radius 14 inches is moving in a speed of 55 mph.Find the angular speed of the wheel in radian per sec. your car is moving at 55 mph, which is 55*5280*12 inches/3600 seconds or 968 inches/second. each rotation of …
3. ### Math

Reno, Nevada and Salt Lake City, Utah are about 400 miles apart today. Yet 15 million years ago they were only 250 miles apart. The continental crust is being stretched by plate tectonic forces. How many inches per year do the two …
4. ### physics

How to calculate the force required to move a 6.12Kg weight up a 10degree friction rig?
5. ### Math

500 gallon sprayer that puts out 20 gallons of spray per acre. How many times will the sprayer have to be filled to spray 106.363 acres?
6. ### math

If each edge of a cube is increased by 2 inches, the A. volume is increased by 8 cubic inches B. area of each face is increased by 4 square inches D. sum of the edges is increased by 24 inches
7. ### math

Two cities on a map are 2 and 1/4 inches apart. The cities are actually 112.5 miles apart. How many miles is represented by one inch?
8. ### math

Problem: Lexington, and Elizabethtown, Kentucky are 79 miles apart. If the distance on the map is 2 1/2 inches, find the scale of the map. do i make a ratio for inches to miles?
9. ### math

If 2 inches on a map represents 125 miles then how far apart are 2 cities that are 5/8 inch apart.
10. ### Math

Hector baked a cake for his moms birthday. It is in the shape of a rectangle 16 inches long and 12 inches wide. He plans to put a candle at each corner and spaced 4 inches apart along each side. How many candles will he need?

More Similar Questions