Algebra 1 - Direct Variation

A charitable organization brought in $7200 in ticket sales by selling 400 tickets to their annual fundraising banquet. The amount of money raised from ticket sales is directly proportional to the number of tickets sold.
x= ​ (a)   and y=​ (b)  

• the number of tickets sold
• the amount of money raised

A charitable organization brought in $7200 in ticket sales by selling 400 tickets to their annual fundraising banquet. The amount of money raised from ticket sales is directly proportional to the number of tickets sold.
What is the equation that relates the money raised from the ticket sales to the number of tickets sold?

Mathematical Equivalence

ON

A charitable organization brought in $7200 in ticket sales by selling 400 tickets to their annual fundraising banquet. The amount of money raised from ticket sales is directly proportional to the number of tickets sold.
If the organization meets next year's goal of selling 550 tickets and keeps the prices the same, how much money should they expect to bring in from the ticket sales?

• $13

• $9900

• $30.56

• None of these

A charitable organization brought in $7200 in ticket sales by selling 400 tickets to their annual fundraising banquet. The amount of money raised from ticket sales is directly proportional to the number of tickets sold.
If the organization wants to keep ticket prices the same but brings in $14,000 in ticket sales, how mnay tickets do they need to sale?

• $1.94

• About 252000

• About 778

• $35

Given that y varies directly with x, use the values specified to write a direct variation equation relating y to x.

y=18, x=6

Mathematical Equivalence

ON

Given that y varies directly with x, use the values specified to write a direct variation equation relating y to x.

x=11, y=-55

Mathematical Equivalence

ON

Given that y varies directly with x, use the values specified to write a direct variation equation relating y to x.

x=17, y=68

Mathematical Equivalence

ON

The cost of an antique plate varies directly with its area. If an antique plate with an area of 176 square inches costs $16, what would be the area of an antique [;ace that costs $11?

• None of these

The distance traveled by an object is directly proportional to the amount of time spent traveling. An object spending 9 hours in travel goes a distance of 563 miles. How far would the object go that travels fo 3 hours? Round your answer to the nearest hundredth.

• 187.67 miles

• .05 miles

• 1683.00 miles

• 287.7 miles

Does the following represents direct variation?

• Yes

• No