Winston bought his family dinner at a local restaurant. With tax, his total came to $46.47. Winston wanted to add a 15% tip, but he kept calculating a total of $40.41. What mistake did Winston make when calculating the tip? A Winston subtracted 15% when he should have added 15%. B Winston divided by 15% when he should have multiplied by 15%. C Winston multiplied by 85% when he should have multiplied by 115%. D Winston divided by 115% when he should have multiplied by 115%

Which fraction below is equivalent to 10/12?

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54