3.20 divieded my 2 =1.6 spring 3.20 +1.6 =4.8
300
divide 3000 by 10 to get a tenth of 3000
Lets use algebra and simplify:

<u>Note in the above steps:</u> dividing by a fraction is same as multiplying by its reciprocal
The first answer choice is the correct one.
ANSWER: 
Answer:
Below in bold.
Step-by-step explanation:
Use the elimination method:
a. x + y = 23
x - y = 7
b. Adding the 2 equations eliminates y, so we have
2x = 30
x = 15.
Substitute x = 15 in equation a:
15 + y = 23
y = 23 - 15
y = 8.
Answer x = 15, y = 6.