Find the percentage of: a. 21% of 18 use a set of fraction operations method to find the percentage. b. 65% of 1500 use percentage as a decimal multiplier method to find the percentage. c. 89% of 350 use break it down, then build it up method to find the percentage.. d. 24% of $40 use any method to find the percentage but identify your method.

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer

(-1,-0.5)

step-by-step explanation:

80% of the cookies

step-by-step explanation: