No, Alex is wrong. The correct expanded form would be 100+60+5+.03+.008
A=31/8 and B=13/5 all you would do is times the whole number by the denominator and than add that answer and the numerator
The answer is C because It is going at the same rate. It would work the same if it was negative or positive.
I hope this helped :)
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: surface area = 74 cm^2
Step-by-step explanation:
