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 the variable t in the left side
![t[b+a]=b](https://tex.z-dn.net/?f=t%5Bb%2Ba%5D%3Db)
Divide by (b+a) both sides

Answer:
x=10
Step-by-step explanation:
because since 60 is apart of 10
Answer:
25%
Step-by-step explanation:
20-16=4
So
16…4
1 … 4/16
100…4/16×100
1/4×100
25%
Answer:
10^3
Step-by-step explanation:
15-12=3
10^3