X/20 = 30/100
cross multiply x by 100 and 20 by 30.
600/100x
x=6
There are 6 girls.
Answer:
Let me thinkkkkkkk
Step-by-step explanation:
Answer:1.01
Step-by-step explanation:
Answer:
Laura's age is years old
Elisabeth's age is year old
Step-by-step explanation:
Let
x-----> Laura's age
y----> Elisabeth's age
we know that
-----> equation A
-----> equation B
substitute equation A in equation B and solve for y
find x
----->
<span> f(x)=1/x+x
</span><span> f(2)=1/2+2=2 1/2=5/2
</span>4f(2)=4*5/2=2*2=10
<span>g(x)=x(x+1)^2
g(</span>4f(2))=g(10)=10(10+1)^2=10*11^2=1210
d) 1210