Twice a number

If 73 is one more than twice a number, what is 50% of the number?

Correct answer:

b =  18

Step-by-step explanation:

73=1+2x  73=1+2 x  2x=72  x=272=36  x=36  r=50%=10050=21=0.5  b=r x=0.5 36=18



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