Find out how many liters are used in the old toilet in a year;
4×27= 108 l (in a day)
365×108= 39420 liters (in a year)
Find out how many liters are used in the new toilet;
4×6=24 (in a day)
24×365=8760 l (in a year)
Find the water saved; 39420-8760
= 30660 l saved.
Hope I helped :)
Answer:
The second one is D.
Step-by-step explanation:
Hey there!☺



In our first step, we will use the cross multiply method:

In our second/last step, we will divide both sides by 16:

Hope this helps!☺