I need the answers to the try these please and thank you

1)c=4.5%

2)d=25%

3)t=4%

4)Radio-15.38%

Step-by-step explanation:

1. let c be the rate of commission payable.

-Given the amount sold is $6500, and the commission paid is $292.50, the rate of commission is calculated as:

The commission rate is 4.5%

2.Let d b the rate of discount.

-Given the regular price is $34 and the discount amount is $8.50, the discount rate is calculated as;

Hence, the discount rate is 25%

3. let t be the tax rate chargeable on any item sold.

-Given that the marked price is $59.75 and the sales tax is $2.39, the tax rate can be calculated as;

Hence, the sales tax rate is 4%

4. #Determine the discount rate in I:

#Determine the discount rate in II:

Hence, the Radio sale has a better discount rate of 15.38% compared to the headset's 15.15%.