What do you mean? At first it was 4 times as old, then it's twice her age?
Answer:
Step-by-step explanation:
we have
Solve for t
That means ----> Isolate the variable t
Multiply by b both sides to remove the fraction
Factor t left side
![t[b+a]=b](https://tex.z-dn.net/?f=t%5Bb%2Ba%5D%3Db)
Divide by (b+a) both sides
Answer:
To find the constant of proportionality we use the formula k= y/x so we have k=20/500 =0.04
Step-by-step explanation:
The answers are 3<em>x</em> – 4 and 3(2<em>x </em><span>– 6), I just did this and got it correct so I am sure you well. :) </span>
All 3 sides are all equal
