Which of these equations has (1.5,4) as one of the solutions?
a. 20x + 5y = 87.5
b. 20x + 5y = 50
c 20x + 5y = 520
d. 20x + 5y = 270
Answers
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Step-by-step explanation:
20*1.5+5*4=50
so, your answer is b
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