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Pls help this question a and b. Thks


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Percentage



The employees of a firm are offered salary increase calculated according to one of the following options:
Option A: An increase of 4% of their present salary
Option B: An increase of $31.50 plus 2.5% of their present salary

(a)Miss Tan finds that both options will give her the same salary increase
(b)How much is her present monthly salary?
(c)Mr Koh earns $3140 per month. Which option should be choose? Explain clearly.


i appreciate ur help

Percentage


In a school of 1050 students, the ratio of teachers to students is 12:175. Some new teachers joined the school and the ratio of teachers to students becomes 1:14, assuming that the number of students remained unchanged. Find
(a)the original number of teachers in the school
(b)the number of new teachers who joined the school
(c)the percentage increase in the number o teachers



Pls help asap`

ohhhh nvm thks for ur help, I understand

Can explain it more clearly like show me a solution to it?

Question: Mr Tan bought a flat in 2004 for $350 000. He sold it in $420 000. Find the percentage increase in price.

Ques: Which one of the following fractions is the largest?

(1)1/3
(2)2/5
(3)4/9
(4)5/12
There are 24 and 48 as the denominator is it the same or diff?

Ques: Which one of the following fractions is the largest?

(1)1/3
(2)2/5
(3)4/9
(4)5/12
There are 24 and 48 as the denominator is it the same or diff?