Colleen buys a DVD player online for $89. If shipping and handling are an additional 10% of the price, how much shipping and handling will Colleen pay?

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?