Answer:
0.75, or 3/4. same thing.
Step-by-step explanation:
divide both sides by 3 on a calc. easy!!!!
Make an assumption . ''to assume''
The answer is c because if you do 7x60 you'll get 420 and 830-420=410 and 7x80 you'll get 560 and 970-560 is also 410.