Which answer describes the simpler problems that could be used to solve this story problem?




Wendy's sister had $12 and Wendy had twice as much money as her sister. Wendy spent $4 at the market and $3 at the newspaper store. How much money did Wendy have left?

A

Calculate how much money Wendy has to start with. Add up the money she spent. Add the amount Wendy spent to the amount she started with.

B

Calculate how much money Wendy spent. Add this to the number of items she bought. Subtract this sum from the amount of money Wendy's sister has.

C

Calculate how much more money Wendy had than her sister Add up the money Wendy spent. Subtract the two amounts.

D

Calculate how much money Wendy has to start with. Add up the money she spent. Subtract the amount Wendy spent from the amount she started with.