The cost of 5 tickets at the same rate is $35
From the question, we have that Mohammed bought 3 tickets for $21. This can be written as:
To get the cost of 5 tickets at the same rate, we can write:
Divide both equations to have:
[tex]\frac{3}{5} = \frac{21}{x}[/tex]
Cross multiply
[tex]3x = 5 \times 21\\3x = 105\\x = \frac{105}{3}\\x=35[/tex]
Hence the cost of 5 tickets at the same rate is $35
Learn more on proportions here: https://brainly.com/question/19914553
Complete question:
Mohammed went to a different movie theater where the relationship between the number of tickets and cost was not proportional. He noticed 3 tickets cost $21.
How much might 5 tickets cost if the relationship is NOT proportional?
