Answer
56
Work Step by Step
If t is the number of tires:
$height=8t$
Therefore, when $t=7$, it follows that:
$height=8*(7)\\\\height=56$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.