The ratio of money in Obi's wallet to Rudy's wallet one day was 5:2. Obi spent £20 that day.
Obi now had £8 less than Rudy.
How much did Obi initially have?Sarah and Henry share some sweets in the ratio 7:6 .
Sarah eats 12 of her sweets and the ratio of sweets left becomes 1:2 .
How many sweets did Henry have?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?