I bought a pack of 100 rectangular index cards. Each card measured 15 cm by 10 cm. The pack said: paper density = 200 GSM (grams per square metre). This means that a square metre of these cards weighs 200 g. . All the cards in the pack are placed flat on a table without overlap. In square metres, what is the total area of the table covered by the cards? b Each pack of cards is wrapped in a sheet of 50 GSM paper with area 800 cm². I have a number of packs and wish to store them on a shelf which cannot hold more than 10 kg. What is the largest whole number of wrapped packs that can be stored?
I bought a pack of 100 rectangular index cards. Each card measured 15 cm by 10 cm. The pack said: paper density = 200 GSM (grams per square metre). This means that a square metre of these cards weighs 200 g. . All the cards in the pack are placed flat on a table without overlap. In square metres, what is the total area of the table covered by the cards? b Each pack of cards is wrapped in a sheet of 50 GSM paper with area 800 cm². I have a number of packs and wish to store them on a shelf which cannot hold more than 10 kg. What is the largest whole number of wrapped packs that can be stored?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:I hought a pack of 100 rectangular index cards. Each card measured
15 cm by 10 cm.
The pack said: paper density = 200 GSM (grams per square metre).
This means that a square metre of these cards weighs 200 g.
. All the cards in the pack are placed flat on a table without overlap.
In square metres, what is the total area of the table covered by the
cards?
h Each pack of cards is wrapped in a sheet of 50 GSM paper with area
800 cm2. I have a number of packs and wish to store them on a shelf
which cannot hold more than 10 kg. What is the largest whole number
of wrapped packs that can be stored?
c The total weight of 500 identical sheets of paper is 2.4 kg. If each
sheet measures 30 cm by 20 cm, what is its paper density in GSM?
d A business card measures 55 mm by 90 mm. Its paper density is 300
GSM. Find its exact weight in grams.
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