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Semira did a physics activity during which she rolled toy cars down a ramp and measured the distance each car traveled.  On one trial,  the actual distance that the car traveled was 75 cm...

Sophie receives 35% for her first essay. It is worth 40% of her overall grade. She doesn't yet have a grade for her second essay, but it is worth 60% of her overall grade. In order to pass...

As of early 2014, the world's population was about 7.2 billion people. the population of the United States was 317 million. In early 2014, what percentage of the world's population was the U.S. population...

Calculate how much money you will have at the end of each year. Show your work on the back of this page. Write your answers in the “SAVINGS” column in the table below. GRADE LEVEL SAVINGS 7th grade...

the usual selling price of a car was \$104,000. It was later sold at a 10% discount and a 17% profit was made. Find the loss that would have been made if it had been sold at a 30% discount.

A shop owner marked the selling price of a washing machine such that he would make a 40% profit. He later sold it at a 20% discount and made a profit of \$72. What was the original selling price of...

A store sells CDs at 20% off the displayed price. The store buys copies of a CD for \$12 each. If the store owner wants to make a 10% profit on the CDs, what price should she list for each CD...