Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.1: Ratios
Problem 25WE
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6a) a total of 5000 students attend the st. catherine high school. The ratio of teachers to students 6:25.
i) how many teachers are there in the school?
b) a quarter of the students in the school owns i-phone classic 20.
(ii) how many students DO NOT own an i-phone classic 20?
c) 60% of the students who own an i-phone classic 20 also owns a samsung galaxy a80s.
(i) what fraction of the students in the school own samsung galaxy a80s?
Please show all working
thanks
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