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Unit rate with fractions. A crew of landscapers mowed 1/5 of a lawn in 20

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?