7) At an all-you-can-eat barbeque fundraiser that you are sponsoring, adults pay \( \$ 6 \) for a dinner and children pay \( \$ 4 \) for a dinner. \( 212 \) people attend and you raise \( \$ 1128 \) . What is the total number of adults and the total number of children attending?
Pregunta
Answer
140
72
Related Questions
Q:
Find the inverse for each of the following functions.
\(f ( x ) = 3 x + 1\)
\(g ( x ) = 1 x ^ { 3 } - 5\)
\(h ( x ) = \frac { 3 } { x + 5 }\)
\(j ( x ) = \sqrt[ 3 ] { x + 1 }\)
Q:
The total revenue from the sale of a popular book is approximated by the rational function \( R ( x ) = \frac { 1700 x ^ { 2 } } { x ^ { 2 } + 4 } \) , where \( x \) is the number of years since publication and \( R ( x ) \)
is the total revenue in millions of dollars.
(a) Find the total revenue at the end of the first year.
(b) Find the total revenue at the end of the second year.