Abook has a front and back cover and 100 pages. the front and back cover are each 0.8mm thick when measured to 1dp. each page is 0.15mm when measured to 2dp. what is the minimum thickness?

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

$5.41

step-by-step explanation:

$20 - $14.51 = $5.49.