If a river's flow rate increases by 20% and its original flow rate was 50 m³/s,

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Question: If a river\'s flow rate increases by 20% and its original flow rate was 50 m³/s, what is the new flow rate?

Options:

Correct Answer: 60 m³/s

Solution:

New flow rate = Original flow rate + (20% of Original flow rate) = 50 m³/s + (0.2 × 50 m³/s) = 60 m³/s.

If a river's flow rate increases by 20% and its original flow rate was 50 m³/s, what is the new flow rate?

If a river's flow rate increases by 20% and its original flow rate was 50 m³/s, what is the new flow rate?

Step 1: Identify the original flow rate of the river, which is 50 m³/s.
Step 2: Calculate 20% of the original flow rate. To do this, multiply the original flow rate by 0.2: 0.2 × 50 m³/s.
Step 3: Perform the multiplication: 0.2 × 50 = 10 m³/s.
Step 4: Add the result from Step 3 to the original flow rate to find the new flow rate: 50 m³/s + 10 m³/s.
Step 5: Perform the addition: 50 + 10 = 60 m³/s.
Step 6: Conclude that the new flow rate of the river is 60 m³/s.

Percentage Increase – Understanding how to calculate a percentage increase from a given value.
Basic Arithmetic – Applying basic addition and multiplication to solve the problem.