Answer:
$5.75
Step-by-step explanation:
20=9.75 + 4.5 + c
20-9.75-4.5=c
5.75=c
Write an equation of the direct variation that includes the given point (-8, -4)
Direct variation is y= kx for some constant k
Find k using the point (-8,-4)
y=kx
(-4)=k(-8) substitution
-4/-8=k(-8/-8) division property
1/2=k
equation of direct variation is y=1/2k
Answer: 5x-13-(4x+2x)
Step-by-step explanation:
3x=129 , x =43 distribute 3 to get x by itself
80. Bc a 6:6 ratio is also a 1:1. So half of 160 them would be female.