Eryn and seven of her friends go out to lunch. the total bill comes to $143.35. they decide to leave a 15% tip. each person will contribute an equal amount to the total tip. estimate what each person will contribute. a. $2.70 b. $3.10 c. $18.00 d. $26.00

A. $2.70

Step-by-step explanation:  

We are told that Eryn and seven of her friends go out to lunch. The total bill comes to $143.35. They decide to leave a 15% tip. Each person will contribute an equal amount to the total tip.

First of all we will find the amount of tip by finding 15% of $143.35.

Now let us find amount that each person will contribute by dividing 21.5025 by 8 as Eryn and her seven friends will contribute an equal amount to the total tip.    

Therefore, each person will contribute $2.70 to the total tip and option A is the correct choice.  

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get