Ametallurgist needs to make 12.4 lb. of an 10) alloy containing 50% gold. he is going to melt and combine one metal that is 60% gold with another metal that is 40% gold. how much of each should he use?

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

i am not sure :

step-by-step explanation: