Answer: D. 57 years old.
Explanation: 17 years old is not old enough to have a child. When a person is 57 years old, their child is likely to be around 17 or 18 years old, 40 years younger. Having a child at 40 years old is probably the oldest age out of the ages listed.
Answer: Equilibrium quantity of garden hoses after the tax is imposed is 85000.
Explanation:
Given that,
Dead weight Loss = $22500
Tax amount per unit (t) = $3
Equilibrium quantity before tax,
= 1,00,000 units
Equilibrium quantity after tax,
= ?
Dead weight Loss = 
22500 = 0.5 × 3 × (100000 -
)
= 85000 units
∴ Equilibrium quantity of garden hoses after the tax is imposed is 85000.
I think the answer is called enriching but i might be wrong.