nathan is using his grandmothers recipe to make pie on monday, he used 15 3/4 cups of sugar to make 9 pie on tuesday, he used 22 3/4 cups of sugar to make 13 pies which of the following statement

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?