Len and Kris had dinner in a restaurant. The dinner bill was $18.50.

They had to pay a 5% food tax and they left a 15% tip for the waiter.

What was the total amount they paid for dinner that night?

a. $22.20

b. $3.70

c. $22

d. $22.70

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Melissa has a bag that contains 6 red marbles, 8 yellow marbles, and 18 blue marbles. if she chooses one marble from the bag, what is the probability that the marble is not blue?

An oil spill spreads 25 sqare meters every 1/6 hour. how much does it cover in 2 hours?

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You borrow $3200 to buy new kitchen appliances. The simple interest rate is 5%. You pay the loan off after 4 years. What is the total amount you paid for the loan?

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