If your ship burns 5 tons of fuel per hour...

Question 1 / 205eccef9dbacbc34ba4d45dd0

Question 1 of 205eccef9dbacbc34ba4d45dd0

If your ship burns 5 tons of fuel per hour at 23 knots, how many tons per hour will it burn at 18 knots?

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Question 1 of 20

5eccef9dbacbc34ba4d45dd0

If your ship burns 5 tons of fuel per hour at 23 knots, how many tons per hour will it burn at 18 knots?

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🔍 Key Concepts

• Relationship between ship speed and fuel consumption (often approximated as proportional to the cube of speed for exam purposes) • How to set up a fuel-consumption ratio using the known condition at 23 knots to find the unknown at 18 knots • Checking that the final answer is reasonable (slower speed should mean less tons per hour)

💭 Think About

• What mathematical relationship between speed and fuel burn rate is typically assumed in these exam questions? Is it linear, squared, or cubed? • How can you use the known case (5 tons/hour at 23 knots) to form a proportion that lets you solve for the unknown burn rate at 18 knots? • After you compute a number, how can you quickly compare it with the answer choices and rule out those that are clearly too high or too low?

✅ Before You Answer

• Be sure you apply the SAME exponent to both speeds when forming your ratio (for example, speed³ vs speed² vs speed¹) • Verify that your resulting tons per hour at 18 knots is less than 5 tons/hour but not unrealistically small • Double-check unit consistency: speed in knots, consumption in tons/hour, and your ratio should be dimensionless before you solve for the unknown

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Question 1 of 20

If your ship burns 5 tons of fuel per hour at 23 knots, how many tons per hour will it burn at 18 knots?

1.9 tons

2.4 tons

3.1 tons

3.3 tons

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Question 1 / 205eccef9dbacbc34ba4d45dd0

Question 1 of 205eccef9dbacbc34ba4d45dd0

If your ship burns 5 tons of fuel per hour at 23 knots, how many tons per hour will it burn at 18 knots?

Back

Question 1 of 20

5eccef9dbacbc34ba4d45dd0

If your ship burns 5 tons of fuel per hour at 23 knots, how many tons per hour will it burn at 18 knots?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed