Question

5b+2b>=500 equality?

Answer 1

`71.43`

Explanation:

`5 b+ 2 b\geqslant 500 \\ 7b \geqslant 500 \\ (7b)/(7) \geqslant (500)/(7) \\ b \geqslant 71.43 \\`

`b= 71.43 < \infty`