Which expression is equivalent to the one below?

Answer:
B. [tex]5*\frac{1}{7}[/tex]
Step-by-step explanation:
5÷7 is also [tex]\frac{5}{7}[/tex]--that divided sign is what the fractional bar represents in a fraction.
now multiply [tex]5*\frac{1}{7}=\frac{5}{1}*\frac{1}{7}=\frac{5*1}{1*7}=\frac{5}{7}[/tex]
both are the same result, so your answer is Choice B.