A mathematics textbook used in Oakridge International School for grade 7 has four sections Numbers, Algebra, Geometry, Statistics in the ratio 7:5:8:4. How much each type of content will be needed to make a book of 480 pages?
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Answer:
Step-by-step explanation:
7x+5x+8x+4x=480
=24x=480
=x=20
=Numbers=7x=140 pages
=Algebra=5x=100 pages
=Geometry=8x=160 pages
=Statistics=4x=80 pages
Hope this answer helps :)
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