If there were no tip, each person would have to pay $5. They pay this much because if the bill is $50 and there are 10 people, would would calculate by 50 divided by 10 which would equal 5 so 10 people pay $5 dollars. The total would be $50.
7/25
First thing you want to do is put it over 100
28/100
Now divide by 4
28÷4=7
100÷4=25
Answer:
- 3x +5 ⇒ (8, 11)
- x²-2x-5 ⇒ (-6, -5)
- (x+5)x² ⇒ (6, 28)
- 4-x ⇒ (3, 2)
Step-by-step explanation:
Evaluate each function for x=1. This result will let you select the correct answer choice for each function.
To check your result, you can evaluate each function for x=2. You should get the same answer choice in each case.
I find it convenient to let a calculator do the tedious work.