Because + and - make - which makes you left with 3-5 which equals to -2 because it gets negative.
Yes and thank you for the points
Answer:
Part A: 7n + 30= -5 and 8n + 40= 16
Part B: 7(8) + 30= 86 and 8(8) + 40= 104
Part C: Company A saves you 12.
Step-by-step explanation:
Company A: 7n + 30
Company B: 8n + 40
7n + 30= -5 8n + 40= 16
7(8) +30= 86 8(8) +40= 104
7(2) + 30= 44 8(2) + 40= 56
56 - 44= 12
One batch = 1/4
One whole cup is 4 batches
3/4 a cup is 3 batches
If you add together one and 3/4 you get 7 Batches
Your number can be none other than 89 .