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lisabon 2012 [21]
2 years ago
10

A cab company calculates cab fares using the expression 1.50d + 3, where d is the distance traveled in miles. If a passenger has

to pay a $21 fare for a ride, which number from the set {9, 12, 15, 18} is the value of d?
Mathematics
1 answer:
Dovator [93]2 years ago
5 0

Answer:

12

Step-by-step explanation:

⇒ 21 - 3 = 18 = 1.5a

⇒ a = 12

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