AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA You’re welcome
Firstly, you do 90 - 42 to get the amount of brownies sold, which is 48. Then, you put 42 and 48 into a ratio like 42:48. After that, all you need to do is simplify to get 7:8.
Plan 1 because she spends 435.88 more if she goes with plan 2
Answer: 1.03333333333
Step-by-step explanation: