nanda22
27.06.2019 •
Mathematics
At the movie theatre, child admission is $6.60 and adult admission is $9.80 . on thursday, 182 tickets were sold for a total sales of $1508.40 . how many adult tickets were sold that day?
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Ответ:
96
Step-by-step explanation:
Let x represent the number of adult tickets sold. Then (182-x) is the number of child tickets sold. The total sales is then ...
... 6.60·(182 -x) +9.80·x = 1508.40
... 3.20x = 1508.40 -1201.20 . . . . . simplify, subtract 1201.20
... 307.20/3.20 = x = 96 . . . . . . . . divide by the coefficient of x
96 adult tickets were sold that day.
Ответ:
See Explanation below for proof.
Step-by-step explanation:
Let number of dimes be D
Then number of quarters = 2D
We then get the following VALUE equation: .1D + .25(2D) = 4.5
.1D + .5D = 4.5
.6D = 4.5
D, or number of dimes = 4.5/.6 = 7.5
There is no such thing as HALF a DIME, so it's NOT POSSIBLE