Let x be the number of square feet to be mowed
215 square feet take 22 minutes
x square feet take 12 minutes
Answer:

Step-by-step explanation:

Answer:
-18x+73
Step-by-step explanation:
-9 times 2x is -18x
-9 times -7 is 63
63+10=73
so, -18x+73 is your answer
This is quite simple. We will first add the amount of miles walked together.
3.25+5.5=8.75
Then we will divide 175 by the number of miles walked which in this case is 8.75.
Then we get 20 which is the amount of money that his parents donated for every mile that he walked.
Answer:
The algebraic method is a collection of several methods used to solve a pair of linear equations with two variables.
Step-by-step explanation: