So :

?
First, you want to bring everything together on the top of the fraction.
12=24/2 so you can have

Add like terms -- 12 +24 = 36

Now we are at

Which is the lowest possible simplified version while remaining at exact value.
Feel free to check my math! I kinda did this off the top of my head.
We know that he weeds gardens for 15 hours, and mows lawns for x hours.
If he wants to earn $252 per month, we can express the following

Now, we solve for x

<h2>Hence, he has to mow lawns for 13 hours to earn at least $252.</h2>
Answer:
10
Step-by-step explanation:
(x−a)(x−b)=x2−(a+b)x+ab
Hope this was helpful----
Maybe 28kms in 1 hour
Or 2,8kms because 7/10 is 0,7km