Variation are of 2 types: Direct variation that states 'if x increases, y increases'. And inverse variation which states ' if x increases, y decreases and y increases x increases'.
1. The amount of fuel used on a trip increases as the size of the car increases and as the distance traveled increases. = Direct variation
2. As the number of people helping mow a lawn increases, the time it takes to mow the lawn decreases = Inverse variation
3. The cost of having a house painted increases as the size of the house increases. = Direct variation
Answer:
Step-by-step explanation:
Plan B.
Answer:
Try using an interest calculator
Step-by-step explanation:
It's a life saver!
70x + 490=1050
-490 -490\
70x= 560
divide both sides by 70
x = 8
8 passengers
