Answer: Decide whether two quantities are in a proportional relationship, by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin . Use proportional relationships to solve multistep ratio and percent problems.
Step-by-step explanation:
4=2c-12-4
4=2c-16
20=2c
10=c
Answer:
7
Step-by-step explanation:
7²/x²-2 when x=3
49/3²-2
49/9-2
49/7
answer=7
Because each ticket costs 1 and she spends 8 she would be buying 8 tickets
She has 8 friends so each one would get 1 ticket
The answer is 1