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The ratio of minority students to non-minority students in a given school is 2 to 5. If the school has 420 students, how many are minorities? [a] minorities

The coupons offered by the department store said, “Take an additional 40% off the sale price. (Discount applied after any other discounts.)” Kerry bought a sweater from the 30% off clearance table that was originally priced at $80. What was Kerry’s final price for the sweater?

Draw sketches on your paper using the Fraction Bars model to illustrate each equation. On your paper, explain why the Fraction Bars answers are modeled this way. When finished, type in “Done”. a)   

Assuming that cooking time varies directly with weight, if a five-pound duck takes 2.25 hours to cook, how many hours to the nearest tenth are required to cook a six-pound duck? [a] hours  

Olesya had a basket of eggs. She gave half of them to her mother. Then her friend took two more to make some cookies. After that she gave 1/3 of what was left to her neighbor and then she made an omelet with four more of the eggs. If she was then left with a half dozen eggs, how many eggs did she start with?  [a] eggs

Use equal products or equal quotients to do each computation. Show your work on paper and explain your reasoning on paper as well. Type the answer of the computation into the blank. a)   

Sketch Decimal Squares to illustrate each equation on your paper. When completed, type “Done”. a) 3

Draw sketches on your paper using the Fraction Bars model to illustrate each equation. When finished type in “Done”. a)     b)  

In a lab, the temperature of a chemical reaction was changing by a fixed number of degrees per minute. The temperature at 7:00 P.M. was -10° C. If the temperature dropped 3° C per minute, what was the temperature at 6:45 P.M. that same night?  [a]

Determine the opposites of these numbers. Type a fraction in a/b form. a)