B). Find the percentage increase or decrease.
1). In spring season, the sale of rose flowers increases from 100 to 121. Find the per
cent increase in the price of rose flowers.
2).Ram made 170 laddoos for Diwali celebration. He distributed some laddoos
among his neighbours and only 126 remain. What is the percentage change?
3). In a festival season, Supermarket A sells 10 dozen eggs in a day, whereas
Supermarket B sells 130 eggs. What is the percentage change?
4). In January, Diya worked for a total of 15 days and in February, she worked for 26.5
days. What percentage did Diya's working days increase in February?
Answers
21% increase in the Sale of rose flowers.
Step-by-step explanation:
1). In spring season, the sale of rose flowers increases from 100 to 121
Increase = 121 - 100 = 21
Increase in % = (21/100) * 100 = 21%
2).Ram made 170 laddoos for Diwali celebration. 126 remain
Change = 170 - 126 = 44
Change % = (44/170) * 100 = 25.9 %
3). In a festival season, Supermarket A sells 10 dozen eggs in a day, whereas Supermarket B sells 130 eggs. What is the percentage change?
10 Dozen eggs = 10 * 12 = 120 Eggs
130 - 120 = 10 Eggs
Change is (10/120) * 100 = 8.33%
or change is (10/130) * 100 = 7.7 %
4 26.5 - 15 = 11.5
Diya's working days increase in February in % = (11.5/15) * 100 = 76.67 %
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