Answer:
x=1
Step-by-step explanation:
3(x+1)=-2(x-1)+6
1) Distribute 3 to x and 1:
3x+3=-2(x-1)+6
2) Distribute -2 to x and -1:
3x+3=-2x+2+6
3) Combine alike terms:
3x+3=-2x+8
4) Add 2x to both sides:
5x+3=8
5) Subtract 3 from both sides:
5x=5
6) Divide both sides by 5:
x=1
Answer:
You will want to add up the total for all four guests (The one after you added the tip) and then since you want to split it evenly, you can multiply it by 1/4.
Answer: b
Step-by-step explanation:
From 3 oranges to 4 oranges, you're adding 45¢. Therefore, 1 orange is 45¢. You can then multiply 45 by 10 to get 450¢, which is $4.50. $4.25 is less than $4.50, so not following the pattern is cheaper. Hope this helps!
