Question

I need help in this math problem. Purvi and her friends tipped their waiter a total of $12 for dinners that cost $9 , $8, $11 , $12 and each. Use a percent proportion to solve for the percent tip they left the waiter.

Answer 1

Anyone plz.

Answer 2

I really need help. I got the answer, but i am not sure

Answer 3

it needs to be a percent

Answer 4

they spent a total of $40 and
\[\12\div 40 = .3=30\%\]

Answer 5

like a percent proportion

Answer 6

i got 12/ 40 = x/100

Answer 7

i think it is 30 %

Answer 8

thx for the help

Answer 9

Step 1. Find the total price of the meal: $(9+8+11+12) = $40.00
12= x*40
x=12/40=.3 The proportion is 12/40 as x/100 12:40 :: x:100
solve the proportion 40x=1200
x=30%

Answer 10

thx

Answer 11

you're welcome and good luck with your studies.

Answer 12

They were generous tippers.