santosbeti90
20.11.2019 •
Mathematics
)tommy was dividing up his money amongst his friends. he
started out with 53 dollars. if he gave two of his friends 23%
and his other friend 12% how much money was tommy left
with? express the amount as a numeral value, not a
percentage.
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Ответ:
Tommy was left with $34.45.
Step-by-step explanation:
Given:
Total Money Tommy has =
He gave for 2 friend =
Money gave by Tommy for 2 friends =
He gave other friend =
Money gave by Tommy to other friend =
We need to find the Money left with Tommy.
Money left can be calculated by Subtracting Money gave by Tommy for 2 friends and Money gave by Tommy to other friend by Total Money Tommy has.
Money left = Total Money Tommy has - Money gave by Tommy for 2 friends - Money gave by Tommy to other friend =
.
Hence, Tommy was left with $34.45.
Ответ:
x=7
Step-by-step explanation:
x^2=14x-49
x^2-14x+49=0
(x-7)^2=0
x-7=0
x=7