Answer:
A) s/3 +t
Step-by-step explanation:
To represent 1/3 of a number, we can simply divide this number by 3, meaning if s is the number, 1/3 of s would be s/3. Now to add t all we have to do is + t, making our answer s/3 + t
I know this probably isn't helpful to you, but the answer is 15. I suck at showing my work. So I really can't help you there. Sorry I couldn't be more help.
3 multiplied by 20 is 60
Multiply this by 10 and you get 600
1 Multiplied by 30 is 30
Find the total of the two answers (Which is 630) this is your answers
Answer:......................................................
Step-by-step explanation: