Will give ! sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 12 people took the trip. she was able to purchase coach tickets for $210 and first class tickets for $1210. she used her total budget for airfare for the trip, which was $10 comma 520. how many first class tickets did she buy? how many coach tickets did she buy?

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.