The ratio of girls to boys in the geography bee was 5 to 4. there were 36 total students. how many were boys?

(40 points) i need some . an answer definition is appreciated as well.

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much