ANSWER QUCIK Tina work 3 days per week . She worked 2 2/3 hours Monday , 4 1/4 hours Tuesday, and 1 4/5 hours Wednesday. How many hours she needs to work more in order to reach her goal of 30 hours per week?

8 43/60
11 17/60
21 17/60
OR NONE

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.