1) you can buy 6 candy bars because $5.10 / $0.85 = 6. To check: 6*0.85=5.10
2) you can find the answer by adding 3 to 12. 3+12=15 n=15 and it said n can be greater than or equal so N(greater than or equal to sign) 15. To check: 15-3=12 12=12 16-3>12 13>12