Answer:
75
Step-by-step explanation:
Just make the number of regular gasoline sold to be x, while the number of premium gasoline sold to be (550-x).
That's all.
And goodluck.
Answer:

Step-by-step explanation:
sine of A = 
opposite = 5
adjacent = 12
hypotenuse = 13
Step-by-step explanation:

3(x2+2x-3)-4(4x2-7x+5)
3x2 + 6x - 9 - 16x2 + 28x - 20
-13x2 + 34x - 29
Answer:
500
Step-by-step explanation:
Easy just times 5x100 or you could do 10, 20, ect 50 times in order to get 500. Sorry if this wasn't helpful lol.
Answer:
Step-by-step explanation:
I think the context is missing, you don't have another photo?