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Questions in Grade Middle-school

[Done] 50% of cakes were party cakes, 1/5 were fruit cakes, and the remainder were sponge cakes. What percentage were sponge cakes?

[Done] What are two equivalent ratios for \(\frac{15}{7}\)?

[Done] A helicopter is 19 meters above the top of a canyon wall. It goes down 27 meters, passing into the canyon, and then goes up 5 meters. What is the new position of the helicopter relative to the canyon wall?

[Done] What is 1/10 of 200?

[Done] The ratio of snowboarders to skiers is 1:2. If 1250 more snowboarders bought season passes than skiers, how many snowboarders and how many skiers bought season tickets?

[Done] If you travel at a rate of 45 miles per hour, how many minutes will it take to travel 1 mile?

[Done] A grocery store clerk has 16 oranges, 20 apples, and 24 pears. The clerk needs to put an equal number of oranges, apples, and pears into each basket. What is the greatest number of baskets that can be made so that no fruit is left?

[Done] What is the larger decimal? 2.4 or 2.04?

[Done] What is the relationship between multiplying and factoring?

[Done] Find the square root by factoring: 21904