Three rationals

Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z?

Correct answer:

z =  50.2803

Step-by-step explanation:

y=15.5 y = 512 x  x=y/512=15.5/512=1024310.0303  z=50.25+x=50.25+0.0303=50.2803

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