43. Exercise 13 (More ambitious)
Imperial to metric conversions are only half the battle. No rational person measures butter or flour by volume.
Redraft your solution to exercise 12 by first loading the conversion
guide in http://localhost:9000/lib/conversions.json using
ixsl:schedule-action
.
For each ingredient, the conversion table gives the conversion factor and the resulting units. So, for example, 3 Tbs of butter is about 43g.