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A freight rain leaves a station and travels north at a constant rate of 60 mph. One hour later a passenger train leaves the same station traveling north on a parallel track at 80 mph. How long will it take for the passenger train to draw even with the fre...

Marissa is designing a rectangular poster whose width is 2/3 of its height. Its perimeter will be 100 inches. what are the dimensions of the poster?

Curt can be paid in one of two ways for the sales he generates: Plan A: 900$ per month plus 10% sales commission. Plan B: $1200 per month plus 15% commission on sales above $8,000. Assuming he always exceeds $8,000 in sales, for what amount interval of $...

A seamstress is designing a triangular flag so that the length of the base of the triangle, in inches, is 7 less than twice the height h. Express the area of the flag as a function of the height.

How many distinguishable permutations are there of the letters in MCMICHAEL?

So I distribute the .15 and then solve for x?

why did you put .1% instead of .10%?

So am i just doing h(2h-7)/2?