5 questions

Question 1.
A sum of $750 is divided between John, Mary, and Sheldon in the ratio 3:5:7 (a)How much did John get? (b) How much more did Mary get than Sheldon?

Question 2.
If 7 ounces of a medicine must be mixed with 12 ounces of water, how many ounces of medicine would be mixed with 8 ounces of water?

Question 3.
A salesman’s salary is made up of a fixed sum of $15, 000 per month, plus a commission of 7% on sales over $60,000. What is his monthly salary if his sales amount to $90,000 for the month?

Question 4.
A man invested $120,000 at 4 % per annum simple interest for 30 months Calculate the: (a) Simple interest payable (b) Total amount of money collected at the end of the 30 month period.

Question 5.
Paula invested $150,000 at an Investment Bank at 3 % interest, compounded annually. Calculated the total amount he earned, if the amount is invested for a period of 2 years.

I don't see any of your solutions indicated, nor do I see any work done

Surely you didn't expect somebody to just do that assignment for your, did you?