Questions from Business Mathematics

Q: Determine the r-intercept and s-intercept of each of

Determine the r-intercept and s-intercept of each of the following equations. 1. 10r – 4s = 20 2. 3r + 4s –12 = 0 3. 15 – 3r = 20s 4. 7r = 9s

Q: Determine the x-intercept and y-intercept of each of

Determine the x-intercept and y-intercept of each of the following equations. 1. 5x + 25y – 15 = 0 2. 0 = 63 – 7x + 21y 3. 13x = 35y 4. 11x + 110 = 22y

Q: A plumber charges a flat $50 for a home service call

A plumber charges a flat $50 for a home service call plus $10 per 15 minutes of labour. Write an equation for calculating the total charges, C, in terms of the hours of labour, H. If you were to plot...

Q: In his sales job, Ehud earns a base salary of $

In his sales job, Ehud earns a base salary of $1500 per month plus a commission of 5% on sales revenue. Write an equation for calculating his gross earnings, E, for a month in terms of his sales reven...

Q: The formula for converting from Celsius temperatures, C, to Fahrenheit

The formula for converting from Celsius temperatures, C, to Fahrenheit temperatures, F, is F = 9 5 C + 32 . 1. If you were to plot a graph of F vs. C, what would be the slope and F-intercept of the li...

Q: Randolph runs a home appliance repair business and charges a service call

Randolph runs a home appliance repair business and charges a service call fee of $85 plus $15 per half hour for his labour. Write an equation for calculating the total charges, C, in terms of hours of...

Q: Use the graphical method to solve the pairs of equations.

Use the graphical method to solve the pairs of equations. x + y = 2 x = 5

Q: Use the graphical method to solve the pairs of equations.

Use the graphical method to solve the pairs of equations. x − 3 y = 3 y = −2

Q: Use the graphical method to solve the pairs of equations.

Use the graphical method to solve the pairs of equations. 6 x = 3 y 4 x - y = 1

Q: Use the graphical method to solve the pairs of equations.

Use the graphical method to solve the pairs of equations. x − 3 y = 0 x + 2 y = −5