Commutative law: a+b=b+a thats it...
So 9+7 can also be written as 7+9=16
Answer:
2 years : $280
10 years: $1400
Step-by-step explanation:
Answer:
(5,4)
Step-by-step explanation:
You could make them have the same denominator, making it 7/10-5/10=2/10.
The answer is 2/10, or simplified, 1/5.
