To solve this problem, you must multiply the 1/3 cup of water needed for one flower, by 9.
1 9 9
--- * ----- = ---- = 3 cups
3 1 3
This means that X in the equation equals -1
Yes they are both equivalents because they are whole's and some examples would be 8/8,9/9,4/4. and 5/5 because they are all whole's 7 out of 7 pieces of pizza is the whole pizza.