Answer:
Cost of tickets: $7. Equation: 40 = 4x + 12.
Step-by-step explanation:
I dont quite undeerstand but the gcf for both are..., if that helps is 4 because
30:2*2*2*2*2
22:2*2 5
The "e" just lets you know that it's scientific notation.
3/5 and 6/8 are not proportional as even though 3 goes into 6 evenly, 5 does not go into 8 evenly so that makes it disproportional.