Percentage Change Quiz 2

Linda scored 66 marks for her Mathematics test. This was 75% of the total marks. Find the total marks for the Mathematics test.

(a)  

Tags

CCSS.6.RP.A.3C

22% of Serena's monthly salary was spent on renting a house. The rental for the house was $1804 per month. What was Serena's monthly salary?

Note: Remember to include $ in your answer!

(a)  

Tags

CCSS.6.RP.A.3C

Sue paid a total of $511.46 for a meal INCLUDING 7% GST on the cost of the meal. How much was the cost of the meal without GST?

Note: Remember to include $ in your answer!

(a)  

Tags

CCSS.6.RP.A.3C

During the Great Singapore Sale, Mr Chen bought a digital camera for $810. This was 90% of the usual price. How much was the discount?

Note: Remember to include $ in your answer!

(a)  

Tags

CCSS.6.RP.A.3C

Ruth bought some fish and paid $2.50 per kg at a market on Wednesday. On Saturday, she bought the same type of fish. Its price had increased by 20%. What was the price per kg of the fish on Saturday?

Note: Remember to include $ in your answer!

(a)  

Tags

CCSS.6.RP.A.3C

When Jimmy was 10 years old, his mass was 36 kg. Two years later, his mass had increased by 30%. Find Jimmy's mass when he was 12 years old.

Note: Remember to include kg in your answer!

(a)  

Tags

CCSS.6.RP.A.3C

The price of a new car was $43570 in April. However, the price of the car was reduced by 5% in May. Find the price of the car in May.

Note: Remember to include $ in your answer!

(a)  

Tags

CCSS.6.RP.A.3C

The usual price of a Merlion souvenir was $32. Sharon sold the souvenir for $24. Find the percentage discount.

Note: Remember to include % in your answer!

(a)  

Answer explanation

Discount --> $32-$24 = $8

Percentage discount --> 8/32 (original) x 100% = 25%

Tags

CCSS.6.RP.A.3C