Algebra Answers

Peter made 250% profit on the sale of his bicycle. Is this possible.explain your answer.

in a community,there are more children than there are adults. There are more boys than girls.25% of the community are boys. Is this possible. Explain your answer.

A shop sold 20% of its stock on Monday,20% of the remainder on Tuesday and 20% of the remainder on wednesday.On Thursday,they had more than 50% of the original stock left. Explain how this is.

on Monday,Anna read 25% of her book. On Tuesday, she read 30% of her book. On Wednesday,she read 25% of her book.On Thursday,she read 25% of her book. She still has 10% of her book left to read.This is possible. expalin why

Given that alpha and beta are the roots of the equation 2xsquare - 4x + 3 = 0. Form a new quadratic equation whose root are :
A. 1/alpha, 1/beta
B. 2alpha - 1/beta, 2 beta^-1/2
C. 2alpha, 2beta

A shop has a 3 for 2 offer on chocolate bars.
The normal price of a chocolate bar is 68p.
Sian gets 3 chocolate bars from the shop using this offer.
How much does she spend?

Question 1
The profit made by a company when 60 units of its product is sold is R 1 600.00. When 150 units of its products are sold, the profit increases to R 5 200.00. Assuming that the profit function is linear find its equation.

On Monday,Anna read 25% of her book.On Tuesday,she read 30% of her book.On Wednesday,she read 25%of her book .On Thursday,she read 25% of her book.she still has 10% of her book left to read .This is actually possible.Explain why

An MTN cellular-phone user notices that her cellular phone accounts for three
consecutive months were significantly different. In May, her account was one and a half
times more than her account in June. Her account in July was R 50 more than her account in
June. In total, she spent R575 in cellular-phone accounts in the three months. What was her
account for each month?

After w weeks has saved, a student has saved 25 + 8w. How much does the student have after 15 weeks