In 15 minutes frankita created 15 drawings. in 30 minutes she created 17 drawings. in 45 minutes she created 20 drawings. in 60 minutes she created 24 drawings. if frankita continues making drawings in the same pattern, how many total drawings will frankita have created at the end of 75 minutes?

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.