Frans fudge recipe calls for 2 1/2 cups of sugar and she increases it by 2/5 of a cup, how much sugar does she use?

3.46 cups

Step-by-step explanation: multiply the number of cups she uses (2 1/2) by 2/5 or .4.. that gives you 0.94.. then add the 0.94 back to the original 2 1/2 to get the total amount of sugar

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.