Answer:
The inequality is
[tex]10+7x\leq 40[/tex]
Step-by-step explanation:
Let
x-----> the number of child tickets
we know that
[tex]10+7x\leq 40[/tex] -----> inequality that represent the situation
Solve for x
[tex]7x\leq 40-10[/tex]
[tex]7x\leq 30[/tex]
[tex]x\leq 4.3[/tex]
The maximum number of child tickets is 4