ixture contains 1.8 times as much san of each must be used to make 45.44 yc
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:A concrete mixture contains 1.8 times as much sand as cement and 1.6 times as much gravel as sand. Find how many
cubic yards of each must be used to make 45.44 yd of concrete if there is no loss of volume in making the concrete.
yd of cement
yd of sand
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