Answer:
The son is 4years old
Step-by-step explanation:
Let the son's age=x
the father's age=8x
IN 10YEARS,
Son's age=x+10
father's age=8x+10
Equate them
8x+10=3(x+10)
8x+10=3x+30
5x=20
x=4
Answer:
24
Step-by-step explanation:
radius is one half of the diameter so 12×2=24
Answer:
30 tennis balls
Step-by-step explanation:
30 to 50 is equal to 3 to 5. And if there are 30 baseballs for every 50 tennis balls, and there are 80 balls in total, well...
30+50=80
So there are 30 tennis balls
Answer:
All the options are correct
1,3,5 because they are all negatives less than -3
