Answer:
120
Step-by-step explanation:
multipy 30 by 4 and you should get 120.
You can even do 30+30+30+30 and it will also add up to 120.
4(x+0.5) is the answer if your trying to simplify it
Answer:
Robin has 5 apples butone of them is half of one apple. He wanted to give that apples to his 4 best friend. :)
The answer should be (13+y)/5
13000000=10000000 (1+0.03)^t
Solve for t
T=log(13,000,000÷10,000,000)÷log(1+0.03)
t=8.9 years round 9 years