You have to write an expression.

You have to write an expression.

Kerry and Luke biked a total of 18 miles in one weekend. Kerry biked 4miles more than Luke. Write a system of equations and solve it to find how far each boy biked.

I'm having trouble with this math word problem. Help?

An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 3 ft long with a diameter of 1.4 ft . Suppose oil is drained at a rate of 1.7 ft3 per...

I am supposed to make an equation before I solve. Please help!!!

a. Find the number of units that must be produced and sold to break even. At this level, what is the dollar amount coming in and going out? b. Write the profit function from producing and selling...

I AM trying to find the original price of the question so please help me

how many of each do they have.

On one particular trip, they flew into the wind and the trip took 4 hours. The return trip with the wind behind them, only took about 3 hours. Find the speed of the wind and the speed of the...

She plans to do this by blending together a high-quality bean costing $6.50 per pound and a cheaper bean at $2.00 per pound. To the nearest pound, find how much high-quality coffee bean and how much...

If the total interest earned for the year was $550, how much was invested at each rate?

I have to find the number x

confused please help me

how many pounds of corneal should be used? how many pounds of soybean meal should be used?

I believe it is because there are no x factors in the numerator but unsure.

This year, the first fund paid a 10% dividend and the second only 1%, and you received a total of $839839. How much money did you invest in each fund?

what would be the translation in numbers and variables

need help working this out

Find two fractions with the same denominator, one positive and one negative, whose difference is 2/3

I must show all my work It helps me study better when I do that

Problem: Perry lives 3.7 miles north of school. Jerry lives 2.5 miles south of school. Terry lives 1.4 miles south of Perry. How far is it from Terry's house to Jerry's house? I know...

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