Letang industrial systems company (lisc) is trying to decide between two different conveyor belt systems. system a costs $280,000, has a four-year life, and requires $85,000 in pretax annual operating costs. system b costs $360,000, has a six-year life, and requires $79,000 in pretax annual operating costs. both systems are to be depreciated straight-line to zero over their lives and will have zero salvage value. whichever project is chosen, it will not be replaced when it wears out. the tax rate is 23 percent and the discount rate is 10 percent.

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?

Which two fractions are equivalent to 6/11? 6/22 and 18/33 12/22 and 18/33 12/22 and 18/22 3/5 and 6/10