Answer:
[tex]10+7x\leq40.\text{ Option D is correct}[/tex]
Explanations:
Let the total number of child's ticket Ms. Henandez can purchase be "x"
If she will pay $7 for each child's ticket, the total amount paid for the children's ticket will be 7x.
If she spend $10 for her adult ticket, the total amount paid will be 10 + 7x
if Ms. Henandez does not want to spend more than $40, hence the required inequality for the statement will be;
[tex]10+7x\leq40[/tex]
The correct inequality sign will be a "less than or equal to sign"
