Algebra Answers

the profit on a jacket can be found by the formula p=24x - 125, where x is the number of jackets sold. What is the profit if 15 jackets are sold?

A company analyses its profits for four consecutive years, from 2007 – 2010. The profit made in 2007 was twice that in 2009. The profit made in 2008 was R 14 million more than the profit made in 2009, while the profit made in 2010 was R 4 million less than the profit made in 2007. If the total profit made in these four years was R 58 million, determine the profit made in each year. (

A chemistry student wishes to make 100 c.c of 27% acid solution. he has two solutions of 20% acid and 30% acid. how many cubic centimeters of each solution should be combined to get the required solution?

how man gallons of a solution containing 55% glycerine, should be added to 25 gallons of a solution containing 28% glycerine, to give a solution that contains 35% glycerine?

A Mercedes-Benz C-class is filled with R 300.00 worth of petrol. With this amount of petrol, the car can
cover a distance of 420 km. What distance will the car travel if it is filled with R 500.00 worth of petrol?
Use the concept of rate.

Construct the truth table for the compound statement (p logical and tilde q logical) and tilde r

a line goes through the point (4,7) and is perpendicular to another line with equation y=2x+2. what is the equation of the line?

Which of the following statement are True.(1) Any system of three linear equations in two variables has no solution.

Scientists are studying the temperature on a distant planet. They find that the surface temperature at one location is 20 Celsius. They also find that the temperature decreases by 3 Celsius for each kilometer you go up from the surface.
Let represent the temperature (in Celsius), and let be the height above the surface (in kilometers). Write an equation relating to , and then graph your equation using the axes below.

Write an odd natural number as a sum of two integers m_1 and m_2 in a way that m_1 m_2 is maximum.