Answer:
$16.67
Step-by-step explanation:
Think of it like this. $2.50=15% of x, where x is the cost of his meal.
2.5=0.15x The given equation
250=15x Multiply both sides by 100
16 2/3=x Divide both sides by 15.
x= 16.66666666666666
Approximately 16.67.