For the given linear equation:
We know that Sarah buys one pair of sneakers and several pairs of laces.
We know that the amount that she spends is:
$35 + $3*l
The first term, the constant one, represents the cost of the pair of sneakers.
The linear term:
$3*l
Represents the cost of buying l pairs of laces, assuming that each pair costs $3.
If you want to learn more about linear equations:
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