ANSWER:
17.6
STEP BY STEP EXPLANATION:
1. How many times does 70 go into 123?
1 time.
2. 123 -70 is 53
3. Bring the two down; making it 532
4. 70 goes into 532 seven times
5. 532-490= 42
6. Put a decimal after the 17
7. Bring down a zero
8.70 goes into 420 six times
9. Your answer is 17.6