Which steps could be used to solve this story problem? 
Annie skated for three times as long as she jumped rope. She jumped rope for 5 minutes more than she jogged. She jumped rope for 10 minutes.
How many minutes did Annie exercise altogether? 
Choose all answers that are correct.
 A.
Multiply 10 × 3. 
Add that product to 10. 
Divide the sum by 5.
 B.
Add 10 + 10 + 10. 
Then divide the quotient by 5.
 C.
Add 10 + 10 + 10.
Subtract 5 from 10. 
Add the sum and the difference. 
Add that sum to 10.
 D.
Multiply 10 × 3. 
Subtract 5 from 10. 
Add the product and the difference. 
Add that sum to 10.