Answer:
14 of these device have to fill and pour in order to add enough sugar.
Step-by-step explanation:
Given:
The recipe calls for 4 2/3 cups of sugar. The only measuring device which measures 1/3 cup.
Now, to get how many of this device have to fill and pour in order to add enough sugar.
First we convert the quantity in improper fraction from mixed :
According to question:
We divide 14/3 cups of sugar by 1/3 measuring cup to get quantity of device to be fill and pour:
Now, by evaluating we get:
Therefore, 14 of these device have to fill and pour in order to add enough sugar.
Now, this is for 3 months, and we're assuming, I guess it doesn't really matter, but using simple interest.
now, 3 months is not even a year, there are 12 months in 1 year, so 3 months is 3/12 years, or 1/4.