To find out how many minutes Emma spent studying, we need to multiply the amount of time Sarah spent (3512 minutes) by 112.
Let's calculate:
\[ 3512 \times 112 = 393344 \]
Emma spent 393344 minutes studying.
However, none of the responses match this calculation. Given the options provided in the original set:
- 71 minutes
- 5314 minutes
- 7314 minutes
- 4912 minutes
Please confirm the context or check the multiplication to ensure the options are correctly aligned with the amounts discussed. If it’s just for confirmation, Emma spent 393344 minutes based on the calculations shown above.