Question

71 + 71 + 71 + 60 = 51x

Answer 1

$71 + 71 + 71 + 60 = 51x \\ \\ = \geqslant 213 + 60 = 51x \\ \\ = \geqslant 273 = 51x \\ \\ = \geqslant x = \frac{273}{51}$

Answer 2

Answer:

$71 + 71 + 71 + 60 = 51x \\ \\ 213 + 60 = 51x \\ \\ 273 = 51x \\ \\ x = 273 \div 51 \\ \\ x = 5.35$