Answer:
Our two numbers are 50 and 20
Step-by-step explanation:
Sum means add together
Difference means subtract each other
x + y = 70
x - y = 30
subtract from each other
2x = 100
divide both sides by 2
x = 50
our first number is 50
50 + y = 70
subtract both sides by 50
y = 20
Our two numbers are 50 and 20
Answer:

Step-by-step explanation:
we have the ratio

To write as percent, multiply the ratio by 100
so

I am 100% sure it is A. I did the test and it showed it was A.
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