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nikitadnepr [17]
2 years ago
11

Original grade: 80 New grade: 100 Find the percent of increase. 107

Mathematics
1 answer:
Kipish [7]2 years ago
5 0

Step-by-step explanation:

Based on the given conditions,

Formulate:(100-80)÷80

Calculate the sum or difference:20/80

Cross out the common factor:1/4

Multiply a number to both the numerator and the denominator:1/4×25/25

Write as a single fraction :25/4×25

Calculate the product or quotient :25/100

Rewrite a fraction with denominator equals 100 to a percentage:25%

Answer : 25%

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