A metalworker has a metal alloy that is 15% copper and another aloy that is 60% copper. How many kilograms of each alloy should
1 answer:
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Answer:
see the explanation
Step-by-step explanation:
we have
<em>Felicia</em>
Apply distributive property
Combine like terms
Let
a ----> the missing term with coefficient x in Gregory's expression
b ----> the missing constant term in Gregory's expression
so
equate Gregory's expression to Felicia's expression
so
----->
------>
so
Gregory's expression is
therefore
The missing terms are 2 and -x