For a store contest, 4 out of every 65 people who visit the store will receive a free DVD if 455 people visit how many DVDs were given away

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The average human body contains approximately 5 liters of blood. If the blood has a density of 1060 kg/m3, what is the total mass of blood in the average human? (Note: 1 L = 1000 cm3.)

Are these fractions equivalent or nonequivalent 3/5 7/23

Three consecutive terms of an arithmetic progression are 20 - x, 18, - 44 + 7x. What is the common difference of the progression?

Rosanne and her family drove 8 hours on their vacation trip. every 1/2 hour, they played a different game. how many different games did they play?

A new product price is increased from $7 to $11. What is the percent of change rounded to the nearest whole?

Who is the 18 president of the United States

Zack says that the probability of rolling a number less than 4 on a six-sided number cube is 4/6. Valeria says that the probability is 3/6. Who is correct? Explain.

The unit price of hot dogs is $0.50/hot dog. How much will 12 hot dogs cost?

The formula to convert °F to °C is C = 5/9 (F - 32). 50°C = 122 °F Why do you multiply 50 by the reciprocal of 5/9