A country plans to reduce its carbon emissions by 10% each year. If the current
Practice Questions
Q1
A country plans to reduce its carbon emissions by 10% each year. If the current emissions are 500 tons, what will be the emissions after 1 year? (2022)
450 tons
400 tons
500 tons
550 tons
Questions & Step-by-Step Solutions
A country plans to reduce its carbon emissions by 10% each year. If the current emissions are 500 tons, what will be the emissions after 1 year? (2022)
Step 1: Identify the current emissions, which is 500 tons.
Step 2: Calculate 10% of the current emissions. To do this, multiply 500 by 0.10 (which is the decimal form of 10%).
Step 3: 10% of 500 tons is 50 tons (because 500 * 0.10 = 50).
Step 4: Subtract the 10% (50 tons) from the current emissions (500 tons).
Step 5: 500 tons - 50 tons = 450 tons.
Step 6: The emissions after 1 year will be 450 tons.
Percentage Reduction – Understanding how to calculate a percentage of a number and apply it to find the new value after reduction.
Basic Arithmetic – Performing subtraction after calculating the percentage.
