Question

On friday night 165 people saw the dinosaur exhibit at the natural history museum. this amount represents 22% of the people who visited the museum that night.

Select from the drop-down menu to correctly identify the total number of people who visited the museum friday night.

(drop-down menu options:
-36
-133
-750
-1500

Answer 1

put the percent in fraction form: 22/100 (22 percent out of 100 percent)
we know that the 22 percent is 165 people so 165 would be on the top and x would be on bottom like this: 165/x
now 22/100 is the same as 165/x so:
22/100 = 165/x
now cross multiply meaning the numerator ()