A box is a cuboid with dimensions 26 cm by 15 cm by 20 cm all measured to the nearest centimetre. Disc cases are cuboids which measure 1.6 cm by 14.2 cm by 19.3 cm all measured to the nearest millimetre. If the disc cases are stacked as shown, show that it may not be possible for 16 cases to fit in the box. please help!

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

13.46

step-by-step explanation:

16.80 x .20 = 13.46

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