A40% antifreeze solution is to be mixed with a 70% antifreeze solution to get 240l of a 50% solution how many liters of the 40% and how many liters of the 70% solution will be used

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 think the correct option is the second option.

step-by-step explanation:

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