The ratio of staff to guests at a gala was 3 to 5. If there were a total of 576 people in the ballroom, how many guests were at the gala?
James decided to invest in some lawn mowing equipment to start his own lawn mowing business. He spent $885 in a lawn mower and it costs him $20 on gasoline every day. If he provides lawn mowing services for $35 per day, then in how many days will he break even? (Assume that there are no costs other than gasoline)
Verizon wireless charges a set fee of $55, for it's basic plan which includes several 3 gigabytes of data. What does several 3 gigabytes of data mean? If a customer goes over their data plan and uses more than the 3 gigabytes, they are charged an additional $40 per gigabyte. If V represents the cost of and d represents the total number of gigabytes of data, which equation would represent the bill for a customer who went over their plan?