50
Age - x
500 - 3x = 350
3x = 150
x=50
2(3+1+2) is equivalent to 12
Answer: 90 presents in 6 hours.
Step-by-step explanation:
First, you turn the 6 hours into minutes. You should get 360 minutes.
Next, divide 360 by 4 and you get the answer of 90.
--- Your answer is 90 presents.