Answer:

Step-by-step explanation:
20 is greater than y.
Answer:
i think its a 6/7 and 60/70
1.46 is what google is saying just convert that to a fraction
Answer:
84
Step-by-step explanation:
6 times 7 is 42
42 times 2 is 84
Answer:
C. 
Step-by-step explanation:
Given:

Add the two equations, we get

Therefore, the correct option is option C.