15 is equal to x divided by 3 plus 7
The second one is d 78 and 82
You find a common denominator (the bottom one) and then add the numerator (the top) but you don't add the denominator, you just make it the same
The second option. The 5.5w part shows that its $5.50 times each window. The -3.25 is because he deducted 3.25 from the total. And then you have the price that he got on the other side.
Here's the work to find the windows in case you want it:
5.5w-3.25=35.25
5.5w=38.50
w=7
He washed 7 windows
Answer:
we can get 3/2 as the answer
