The Jordan Middle School Girls Choir is made up
of sopranos and
altos. If there are 30 sopran...
Mathematics, 29.11.2020 03:40 coolcat3190
The Jordan Middle School Girls Choir is made up
of sopranos and
altos. If there are 30 sopranos and
10 altos, then what percent of the choir are the
sopranos?
Answers: 1
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Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
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Answers: 1
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