What is 85% of 17,000 dollars that is asked on your irs tax forms

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 ?

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?