Respuesta :
Answer:
7c + 6s - 63
Step-by-step explanation:
7c - 18 + 6s - 45
Combine like terms
7c + 6s - 63
The total amount of money raised is 7c+6s-63.
Money raised in car washing by community service group= 7c-18 dollars
Money raised in car washing by a spaghetti dinner = 6s-45
What are variables?
A variable is a quantity that keeps on changing.
The total amount of money raised = Money raised in car washing by community service group + Money raised in car washing by spaghetti dinner
The total amount of money raised = (7c-18) + (6s-45)
The total amount of money raised = 7c+6s-63
Hence, The total amount of money raised is 7c+6s-63.
To get more about variables visit:
https://brainly.com/question/23931018