John and mark alone in a Siberian forest. John is trying to plan out the rest of the food for the trip. He has 9 fish, 27 wild strawberries and 12 bottles of water. He wants to make serving with the most amount of fruit but wants each serving to be the same. How many serving can he make?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.