Answer:
Step-by-step explanation:
20+20+7.5+7.5= 55
this is for the bottom have
20+20+6.5+6.5= 53
thats for the upper half
than you just add them and get 108
Answer:
The third model
Step-by-step explanation:
I'm pretty sure it is, I can't see all of them tho
Answer:
this will answer how to graph the equations
Step-by-step explanation:
Answer:
40% of the class is Girls, so 12 students are girls
Step-by-step explanation:
add up the ratio
2+3=5
divide by 5
30/5=6
multipy ratio to find totial number of students
2*6=12
2*3=18
divide the number of students to get the pecentage
12/30=0.4=40%
18/30=0.6=60%