Maria ate 20% of a box of cereal that weighed 300 grams. How many grams of cereal did she eat? A tape diagram. Maria ate 20 percent out of 100 percent of a box of cereal. She ate question mark out of 300 percent of a box of cereal. The percent in the problem written as a ratio: part = whole = 100 multiplied by is equal to 300. 20 muliplied by is equal to .

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Describe how you can act financially responsible.