Answer:
21, 24, 27, 30, 33, 36, 39.
Step-by-step explanation:
The Answer would be x=72. Why? Because

is your %. You Cross multiply 240 * 30 = 100x
240 time 30 = 7200. you want x to be alone so you do 7200 divided by 100 equaling 72. So you get x=72.
Answer:150
Step-by-step explanation: you see what makes 550 200 plus what 350 then it equal 550 then you see 200 plus what equals 350 150 so that is a 150%
45/75 = 30/x
30*75 = 2250/45 = 50
EF = 50 in.