Question

PLZZZ HELP WILL GIVE BRAINLEIST TO FIRST ANSWER AND THANKS AND FIVESTARS

Answer 1

The histogram shows that 10 restaurant were rated between 11 and 20, 30 restaurant were rated between 21 and 30 and 40 restaurant were rated between 41 and 50.

So, in total,

$10+30+40=80$

restaurant were rated.