Answer:
Marni danced for 130 minutes.
Step-by-step explanation:
Let x equal the number of minutes Marni danced.
Marni raised $30 plus $1.80 per minute that she danced.
She raised a total of $264.
The expression that completes the equation to determine the total amount of minutes Marni danced is :
[tex]264=30+1.80x[/tex]
To know the number of minutes did Marni dance, we will find x from the above equation.
[tex]264=30+1.80x[/tex]
=> [tex]1.80x=264-30[/tex]
=> [tex]1.80x=234[/tex]
x = 130 minutes.
Therefore, Marni danced for 130 minutes or 2 hours 10 minutes.
