This year, there are 45 grade 6 pupils. Last year there were only 40 pupils. What is the percentage of increase?
A. 12.5%
B. 11.6%
C. 11. 5%
A. 12.5%
B. 11.6%
C. 11. 5%
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Based on the given conditions, formulate: (45-40) ÷ 40
Calculate the sum or difference: 5/40
Cross out the common factor: 1/8
Rewrite a fraction as a decimal: 0.125
Multiply a number to both the numerator and the denominator: 0.125 × 100/100
Write as a single fraction: 0.125 × 100 / 100
Calculate the product or quotient: 12.5 / 100
Rewrite a fraction with denominator equals 100 to a percentage: 12.5%
Answer: 12.5%
Answer:
A. 12.15%
Step-by-step explanation:
45÷40=1.125
1.125-1=12.5%