Aplane ticket cost see dollars for an adult and k dollars for a child find an expression that represents the total cost for three adults and nine children

If one adult ticket costs , then three adult tickets cost

Similarly, if one child ticket costs , then nine child tickets cost

So, in total, the price will be

its 8

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.