Mary spent a total of $60 at the grocery store. Of this amount, she spent $9 on fruit. What percentage of the total did she spend on fruit?

How do you use the elimination method for this question? explain, because i really want to understand!

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?