Subtract 4<span> from both sides
</span><span><span>y−4>−2x</span>
<span>Divide both sides by -2
</span>
x>-y-4/2
Question 2 - y>x-4
Add 4 to both sides
<span><span>y+4>x
Switch sides
</span>
<span><span>x<y+4</span><span>
</span></span></span>
</span>
45% of 40 is 0.45×40=18 girls
if x girls join then 56% of 40+x is 0.56(40+x)=18+x
22.4+0.56x=18+x
put together like terms
4.4=0.44x
<span>x=10 girls joined</span>
Answer:
2/3
Step-by-step explanation:
2/3 is 66 2/3%
<span>-66 / (12 - 1) = -6 (Answer)</span>