Hello, myself joyee. i am very much weak at math and never get good at it. though i have so many problems to ask. plz me.
firstly, i need to know about this problem.
if marie has twice as much money as tim, who has three times as much money as william, what is the ratio of the amount of money william has to the amount of money of marie has ?
a) 1: 8, b) 1: 6, c) 1: 4, d) 1: 2, e) 2: 1

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

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.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?