Khối lớp 3 có 169 bạn được chia vào các lớp 3A, 3B, 3C, 3D, 3E sao cho mỗi lớp có nhiều hơn 32 bạn. Hỏi mỗi lớp có bao nhiêu bạn, biết rằng lớp 3A có ít bạn hơn mỗi lớp còn lại.

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true