please please solve all parts of this question perfectly and urgently. make sure to mention each part answer as you give. and do this Question on page with clear handwriting. I will give positive rating if you solve all parts in an hour and on a page

Question 20 (0.0001 points) Anna invested her savings in three accounts that paid annual interest rates of 2%, 4% and respectively, she invested times more money a2% than at 497 where m is a positive Barameter) and her average return after one year was 7%, which fraction of her savings did she invest at 12%? 2. Assume now that m=2 and she invested $21,330 at 12%, how much did she invest in total, originally? Please, solve the problem by first formulating an equation/s or inequality/es. Question 20 (0.0001 points) Anna invested her savings in three accounts that paid annual interest rates of 2%, 4% and respectively, she invested times more money a2% than at 497 where m is a positive Barameter) and her average return after one year was 7%, which fraction of her savings did she invest at 12%? 2. Assume now that m=2 and she invested $21,330 at 12%, how much did she invest in total, originally? Please, solve the problem by first formulating an equation/s or inequality/es