I might be bad at explaining or even wrong, but i tried. so here it goes. 2 is subtracted from a number (we'll put N for the missing number) and the difference is divided by 3. so i thought the difference was the final answer so i divided 30 by 3. my equation came out to 2-n=30/3 so from there i did basic algebra. i added the N to both sides so i came up with 2=30/3+N (so i wouldn't have a negative variable) and the divided 30/3 so then i had 2=90+N. still with me? i hope so... so then i subtracted 90 from both sides to get the variable alone and ended with -88=N. so if you put N in you get 2-(-88)=30/3 you subtract 2 from -88 and get 90. so now you have 90/3 with equals 30.
Slope is rise/run or y2-y1/x2-x1. So to find the slope, find two points where the point is exact, then do the equation. That's the best I can explain, sorry if this doesn't help at all.
Step-by-step explanation:civil aviation has a lot of departments they dont work only in the air but they also work at the airport. they need math to do bussıness
Each kid ticket will cost 12.25 dollars because 18.50 times 12 equals 222 dollars. You subtract 222 from 344.50 to get the total amount for 10 kids which is 122.50 dollars. 122.50 divides by 10 is 12.50.