i don't know
3 * x + 8 = 31
23 child tickets were sold
using the information given, we can set up an equation to solve for the number of child tickets sold. since there were three times as many adult tickets as child tickets sold, we can assign the variable 'x' to represent the number of child tickets and '3x' to represent the number of adult tickets. since we know the cost of each ticket, as well as the total sales, we can set up the following equation:
5.20x + 9.70(3x) = 788.90
simplify 5.20x + 29.1x = 788.90
combine like terms: 34.3x = 788.90
divide both sides by 34.3: x = 23 child tickets
the value of x is 50 and proportion equation form becomes .
as the proportion given in the question be as follows
solving the above
x = 50
therefore the value of x is 50 and proportion equation form becomes .