Questions like these are very easy.
Just multiply
Interest Rate = (Simple Interest × 100)/(Principal × Time).
So we have 7,000 and 5%
Just 7,000 / 1 x (5 / 100)
= 35,000 / 100
= 350 / 1
What is the amount you have for one year? It is $350. If it is asking you 2 year then 2(Interest rate) = 2 (350)
Therefore you get 350.