Answer:
17/20
Step-by-step explanation:
3/5+1/4=12/20+5/20 (you want to find a common denominater, so its easier to add up.)
12/20+5/20=17/20, so Carla has finished washing 17/20 of her laundry.
Answer:

Step-by-step explanation:



Add and subtract numbers from left to right.

, which is our answer.
Hope this helps!
Ok so umm you need to do 5x4= 20 and divide 20 and 4 you get 5 and multiply 5x4 you get 20 and the answer is 20
the answer is -5x :) I'm pretty sure