7 1/8 is greater than 7.025 because if you convert it into a decimal (8 * 7 = 56 + 1 = 57/8 =....) you get 7.125, which is obviously bigger (1>0)
Add 170,000 and 180,000 together then divide by 2. The number is 175000.
He could plant 105 seedlings in 70 minutes.
70 / 8 = 8.75 * 12 = 105 seedlings
I hope this helps :)