Let
be the length of the side of the hot tub. Ricardo wants the pool's sides to be 5 times as long, so
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:
for 16( 21-(1+3) to the second the answer would be 80
Answer:
The first one!
Step-by-step explanation:
