<span>This is an example of the substitution property of equality, meaning that if pq = 3, you may substitute 3 for pq in another related equation. So if pq+rs=5 is true, then 3+rs=5 is true as well.</span>
Answer:
12
Step-by-step explanation:
Multiply 80 by .15
7/2+3/9=
(7+3)+(0.2+0.9)=
10+1.1=11.1
