Jennys average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam. What is the least she can earn on her 5th exam and still have a chance for

Jenny's average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam. What is the least she can earn on her 5th exam and still have a chance for an average of 84 after seven exams?

Jenny's average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam. What is the least she can earn on her 5th exam and still have a chance for an average of 84 after seven exams? ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Md Kamal Uddin

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Institution: DHAKA BANK LTD Exam: Dhaka Bank Ltd - MTO - 09.09.2011 ||
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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A 180 liter mixture of milk and water contains 20% water. How much milk, in liters, must be added to the mixture so that the new mixture will contain water and milk in the ratio of 1 : 7?

Samad was planning on depositing a certain amount of money each month into a bank. He then decided not to make any contributions during May and June. To make the same annual contribution that he had originally planned, by what percent should he increase his monthly deposits?

Jenny's average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam. What is the least she can earn on her 5th exam and still have a chance for an average of 84 after seven exams? ?

A 180 liter mixture of milk and water contains 20% water. How much milk, in liters, must be added to the mixture so that the new mixture will contain water and milk in the ratio of 1 : 7?

Samad was planning on depositing a certain amount of money each month into a bank. He then decided not to make any contributions during May and June. To make the same annual contribution that he had originally planned, by what percent should he increase his monthly deposits?

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