Answer:
Commutative
Step-by-step explanation:
Given
Required
What law is applied
The applied law is commutative law of addition.
This law states that:
So:
When the positions of 2 and b are interchanged, we have:
Remove bracket
Answer:
D. 7 to 3
6+1=7 parts yellow, and the blue didn't change amount, so 7 parts yellow, and 3 blue.
Answer:
66
Step-by-step explanation:
mean = the sum of the value / the number of the value
when we calculate the some must be 385 so the sum of the given value gives 319 so to reach the average 77 she must score 66
Rewrite the fractions to have a common denominator:
1/3 = 2/6
1/2 = 3/6
Now rewrite the full numbers as improper fraction:
5 2/6 = 32/6
1 3/6 = 9/6
Subtract:
32/6 - 9/6 = 23/6
Now rewrite as 3 5/6
Answer: 3 5/6
