Last year, a litre of oil cost 3.95€. This year, it
costs 4.90€. What is the percentage increase?
24%
24 students in a class passed all their exams. This
was 75 % of the class.
a) How many students are there in the class?
b) By the end of the school year, 87.5 % of the class had passed all the exams. How many students failed?
a)32 students are in total
b)28 students have passed all the exams
In a handball tournament, player A scored 2/5
of 30 attempts. Player B scored 6 out of 16 attempts
and player C scored 36 % of 25 attempts.
a)How many goals did each player score?
b)What percentage of the total goals did each player score?
A:12 goals 40%
B:6 goals 37,5%
C:9 goals 36%
A building was initially valued at one and a half
million Euros. It eventually cost two million one
hundred thousand Euros. Calculate the percentage
increase from the valued cost to the real cost.
The percentage increase is 40%
The price of a video game increased by 28 %. It
was then reduced by 30 %. It originally cost 58 €.
Calculate the variation index and the final price.
Final price: 51.97 €
Variation index0.896