Which equation best expresses the revenue for selling n books at $12.50 each?

A) r+n=12.5

B) r=n+12.5

C) r=12.5/n

D) r=12.5n

Paul makes a base monthly salary of $1500. as a vendor, he must sell $19000 worth of items per month. He also makes a 4% commission on all sales beyond the monthly quota.

A fifth grade class 12 girls 13 boys what's the ratio first amount to the second amount

How many 3/4 pound bags of sugar can be filled with 36 lb of sugar?

There are 240 members in a marching band. For a competition, only 216 of the members will march in groups of 12. How many groups are in the competition?

Thursday is ladies night at the slurp and burp bar and grill. all adult beverages are $ 1.25 for women and $ 2.50 for men. a total of 416 adult beverages were sold last thursday night. if the slurp and burp sold a total of $ 997.

A rabbit can run at a speed of 35 mph. This is 7/9 of the fastest speed of an elk. How fast can an elk run?

How to undo the operation and explain why it works a. adding 28 b. dividing by 17

Solve the equation 3x + 2 = 4x + 5 using algebra tiles. Which tiles need to be added to both sides to remove the smaller coefficient? Which tiles need to be added to both sides to remove the constant from the right side of the equation?

The quotient of 300 and the sum of b and 24

Using linear combination method what is the solution to the system of linear equations 7X - 2Y = - 20 and 9X + 4Y = - 6