The temperature was -6°F. It rose so that the temperature was 0°F. What integers represents the change in temperature
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Let's start out by tripling the original recipe to see how much butter Angie needs.
So we need
cups of butter, but Angie only has 
. Let's subtract what Angie has from the total to see how much more she needs.
we will need the least common denominator for both fractions
So Angie need
cups more of butter for the recipe.
So we need
we will need the least common denominator for both fractions
So Angie need
This is an exponential growth problem. Exponential growth can be expressed mathematically in the following way:
.
Parameter a presents initial amount.
Parameter r is percentage increase.
Parameter t is time.
An equation that would describe given problem is:
t is the time in years.
I attached the graph of this function.
Parameter a presents initial amount.
Parameter r is percentage increase.
Parameter t is time.
An equation that would describe given problem is:
t is the time in years.
I attached the graph of this function.