He paid ...
-- The cost of the lunches (100% = 1.00 of it)
-- 15% of the cost as a tip (15% = 0.15 of it)
-- 12% of the cost as sales tax (12% = 0.12 of it)
Total that he paid = (1.00 + 0.15 + 0.12) = 1.27 of $248.40
= $315.47 .
Trevor is one generous guy !
the first solution is 20% acid, and say we'll be using "x" liters, so how many liters of just acid are in it? well 20% of "x" or namely 0.2x. Likewise for the 60% acid solution, if we had "y" liters of it, the amount of only acid in it is 0.6y.


Hilf mir Baby, ich liebe dich
Answer:
Are you ok? Do you need the call 911, or is this an actual question?
Step-by-step explanation:
Answer: 52
Step-by-step explanation: PEMDAS, so you first do multiplication. 12x4 is 48. then, you divide 32/8 which is 4. Then you add them and get 52