Answer:

Step-by-step explanation:
So, for 60 square feet they charge = 287
So, for 1 square foot they charge = 
If they charge the installation fee this becomes = 
We can write an equation to calculate cost by using this 
Where x is the amount of square foot
Answer:
Step-by-step explanation:
3m - 4 is the answer
hope this helps
plz mark it as brainliest!!!!!!!!!!!
1x15=15 3x5=15 so 1 times 15 3x5=15
let the other number be " n "
now, according to above condition :
therefore, the other number would be 23.