Equations:
y = 20x
y = 20x + 10
y = 20x - 15
The second and third graphs are related to the first graph by having parallel slope, due to the increase in cost total is $20/month.
Step 1:
Let us first find the decrease in amount.
Decrease in amount = 150 -120 = $30
Step 2:
Now let us find the ratio of decrease in price to original price.
So the ratio is 1/5 or in decimal its 0.2.
Step 3:
To find percentage decrease we change this decimal number 0.2 two places to the right side, so it becomes 20 %
Answer : The price decreased by 20%
Answer:
$47
Step-by-step explanation:
$9 x 3 adults is 27
$5 x 4 students is 20
When added it is $47
Answer:
Sorry
Step-by-step explanation:
I don't know the answer