Robert is 13 and his brother is 3 y.o.
X... brother’s age
X+10... Robert’s age
X+10+2... Robert’s age in 2 years
X+2...Brother’s age in 2 years
X+10+2/x+2=3
X=3
X+10=13
Answer:
to big but i will slove it for u ok so see solution c one is correct
it will be twelve and thirty eight hundredths
The formula of an area of a circle:

We have
r = 1.8 m
π ≈ 3.14
Substitute:

Answer:
well if this is by 300meters in one minutes then it would be 2400 meters