The price of a 9-minute phone call is $2.70 What is the price of a 15-minute phone call?
(PLS ANSWER CORRECTLY, I WILL HEART YOU, MARK U AS BRAINLIEST, AND GIVE U 5 STARS!)
(Proportions)
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Answer:
4.5$
Step-by-step explanation:
Cost of 1 minute = $2.70/9 = 0.3$
cost of 15 minute = $ 0.3 × 15 = 4.5$
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