A window cleaner has enough supplies to clean 21 windows per office building on a certain number of building. They can also clean the windows of a school with 42 windows. Altogether, there are enough supplies to clean 126 windows. How many office buildings can be washed? Identify the equation that would be used to solve this problem algebraically.

Question

A window cleaner has enough supplies to clean 21 windows per office building on a certain number of building. They can also clean the windows of a school with 42 windows. Altogether, there are enough supplies to clean 126 windows. How many office buildings can be washed? Identify the equation that would be used to solve this problem algebraically.
21x - 42 = 126
42x + 21 = 126
42x - 21 = 126
21x + 42=126

GPT 3.5 · Accepted Answer

The equation that would be used to solve this problem algebraically is: 21x + 42 = 126 where x represents the number of office buildings.

Sad-girl :) · Answer

ya'll know who i am at this point, here are your answers lol

1. 15
2. 9
3. addition and multiplication
4. subtraction and multiplication
5. 21x + 42 = 126

hope this helps :)

-Sad-girl :)

(do me a favor and post these answers on other questions 😊)