G5. Mid-term II Review

Change this percentage into fraction:

60 % = ___.

Answer explanation

percentage: tỉ số phần trăm

fraction: phân số

What is the ratio of the number of watermelons to the number of apples?

Answer explanation

ratio: tỉ số

• 50%

• 75%

• 25%

• 5%

Answer explanation

fraction: phân số

percentage: tỉ số phần trăm

Convert this ratio into percentage:

34 : 100.

• 34%

• 17%

• 7%

• 43%

Answer explanation

ratio: tỉ số

percentage: tỉ số phần trăm

What is 25% of 200?

(a)  

Answer explanation

200 x 25% = 50

Fill in the blank:

50% of (a)   is 85.

Answer explanation

85 : 50% = 170

22% of Joey's money is $440.

What is his total amount of money?

• $220

• $2000

• $440

• $9680

Answer explanation

440 : 22% = 2000

What is 9% of 500 cm?

(a)  

Answer explanation

500 x 9% = 45

There are 40 students in a class, 40% of them are girls.

How many girls are there?

• 14

• 16

• 18

• 20

Answer explanation

40 x 40% = 16

What is the area of the triangle below?

• 54 in²

• 216 in²

• 30 in²

• 108 in²

Answer explanation

area: diện tích

Answer: 12 x 18 : 2 = 108