A group of friends bought 7 tickets to a dog show for 30$ each. How much did they spend on the tickets?
2 answers:
You might be interested in
Answer:
r =
Step-by-step explanation:
Given the proportional equation
y = rx ← r is the constant of proportion
Divide both sides by x
= r
Use any ordered pair from the table.
Using (8, 2 ) , then
r = =
Answer:
p = 2.7x - 20
p(90) = $223
Step-by-step explanation:
revenue → f(x) = 3x ,where x is the number of downloads.
the statement “Your profit p is $20 less than 90% of the revenue for x downloads”
<u><em>means</em></u>
<u><em>means</em></u>
<u><em></em></u>
<u><em>means</em></u>
<u><em>means</em></u>
<u><em>means</em></u>
………………………………
the profit for 90 downloads :
= p(90)
= 2.7×(90) - 20
= $223