The city bus company usually transports 12000 riders per day at a ticket price of $1. The company wants to raise the tickets price and knows that for every 10 cents increase, the number of riders decreases by 400.

Question

The city bus company usually transports 12000 riders per day at a ticket price of $1. The company wants to raise the tickets price and knows that for every 10 cents increase, the number of riders decreases by 400. 
A. What price for a ticket will maximize revenue? 
pls help

amy · Accepted Answer

I don't know how to do it either but the answer in the textbook says $2.00

Damon · Answer

I did this already today. Charge 50 cents