7) Jenny created a metal containing 11% iron
by combining two other metals. One of
these othe...
Mathematics, 18.08.2021 01:40 Dashavu4626
7) Jenny created a metal containing 11% iron
by combining two other metals. One of
these other metals weighed 4 kg and
contained 26% iron. If the other weighed
12 kg, then what percent of it was iron?
Answers: 3
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