Aprofessional organizer charges a $45 consultation fee, plus $20 per hour. her competitor charges a $30 consultation fee, plus $26 per hour. a. write a system of equations to represent the situation. b. solve the system by substitution. for what number of hours will the total charge be the same? c. what will that charge be?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

What is the rate for one gallon of gasoline

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute