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show your calculations

2006-10-10 13:12:17 · 3 answers · asked by carboy_carlover 1 in Education & Reference Homework Help

3 answers

(15/100)*$34.17 =
(10/100)(1 + 0.5)($34.17 =
0.1(1+1/2)*$34.17 =
0.1*($34.17 + $34.17/2) =

2006-10-10 13:36:25 · answer #1 · answered by Helmut 7 · 0 0

OK IF U THINK OF IT THIS WAY 10% OF 34.17 . ALL YOU DO IS MOVE THE DECIMAL PLACE ONE PLACE TO THE LEFT. SO 10% OF 34.17 WILL BE 3.417 ROUNDED OF IS 3.42 SO WITH THAT SAID, 5% WILL BE ABOUT HALF OF 3.42 WICH IS 1.71 NOW JUST ADD 3.42 + 1.71= 5.13 THATS IF U WANT TO DO IT IN UR HEAD

15% OF 34.17=5.13
.15 x 34.17=5.13
HOPE THIS HELPS

2006-10-10 20:39:31 · answer #2 · answered by picies83 2 · 0 0

heres how i estimate a 15% tip at a resturant

first round it off to $34

divide by 10 (move the decimal one place left) thats $3.40

divide this by 2 thats $1.70

add both numbers thats $5.10

dividing by 10 is the same as multipling by 10% or 0.1
half of that is 5%
10% plus %5 is 15%

math is easy

2006-10-10 21:23:40 · answer #3 · answered by hillbilly named Possum 5 · 0 0

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