a boy has 10 cookies. his sister has 2.5 times as many. how many does the sister have?

If the boy has 10, and his sister has 2 1/2 times as many as him, you would first multiply 10 times 2 to get 20. After that you would automatically 1/2 of 10 is 5, which would bring you to the conclusion that his sister has 25 cookies. Thus, you answer is 25 cookies.

25

Step-by-step explanation:

10×2.5=25

and heres some other random stuff so will let me tell you this

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17

goog may be able to you find that answer