Answer:
24 males 7 females
Step-by-step explanation:
m+(m-17) = 31
2m-17=31
2m=48
m=24 24 males
24-17=7
24+7=31
Answer:
D
Step-by-step explanation:
5x4x2
2x2x10
Just find all the factors of 40 first. That will make it easier.
3(b+100)= 6b
3b + 300 = 6b
300 = 3b
b = 100
Answer:
8
Step-by-step explanation:
DCB and ABC are right angles
DCB = 90 = 7x + 34
If 7x + 34 = 90, then 7x = 56 and x = 8
Hope this helps :)