You and your friend spent a total of $15 for lunch. your friend’s lunch cost $3 more than your lunch cost. how much did you spend for lunch? a. x + 3x = 15; $3.75 c. 2x + 3 = 15; $6 b. 2x - 3 = 15; $9 d. 3x - x = 15; $7.50

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step-by-step explanation:

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

happy to

answer: 5 17/33 % (to the tenth)

step-by-step explanation:

he guessed: 34.5 pounds

actual weight is 32.7

there for he is off:

34.5 -32.7 = 1.8

32.7 is the 100%

1.8 represents %? of 32.7

therefore:

32.7   - 100%

1.8     -     x%

x= 1.8*100%/32.7% = 18*100%/327%

x=1800%/327%   = (5 165/327)%

to the tenth:

5 17/33 %