An Olympic pool holds 660,000 gallons of water. A fire hose can spray about 250 gallons per minute. Use the Design Recipe to write a function pool that takes in the number of minutes that have passed and calculates how much water is still needed to fill it.
Contract and Purpose Statement |
Every contract has three parts…
____:_______->______
_
Examples |
Write some examples, then circle and label what changes…
(EXAMPLE (____ __)_____________________)
(EXAMPLE (____ __)_____________________)
Definition |
Write the definition, giving variable names to all your input values…
(define (____ ________)
____________________________)
The community arts fund awards a $1500 grant each month to support a new mural. They started with $50000 in their account. Use the Design Recipe to write a function funds-available that takes in the number of months and calculates how much money they have left.
Contract and Purpose Statement |
Every contract has three parts…
_______________:_______->______
_
Examples |
Write some examples, then circle and label what changes…
(EXAMPLE (_______________ _)____________________)
(EXAMPLE (_______________ __)_____________________)
Definition |
Write the definition, giving variable names to all your input values…
(define (_______________ _______)
___________________________)
These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, 1738598, 2031479, and 1501927). 
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