Question

2. One week a computer store sold a total of 36 computers and external hard drives. The revenue from these sales was $25600. If computers sold for $1180 per unit and hard drives for $125 per unit, how many of each did the store sell?

How many computers were​ sold?

How many external hard drives were​ sold?

3. You invested $7000 between two accounts paying 3% and 9% annual​ interest, respectively. If the total interest earned for the year was $ 450, how much was invested at each​ rate?

$ ___?__ was invested at 3% and $ ___?___ was invested at 9%.

4. You invested money in two funds. Last​ year, the first fund paid a dividend of​ 9% and the second a dividend of​ 3%, and you received a total of $858. This​ year, the first fund paid a​ 10% dividend and the second only​ 1%, and you received a total of $832. How much money did you invest in each​ fund?

How much money was invested in the first​ fund? $___?__

How much money was invested in the second​ fund? $___?__

5. Things did not go quite as planned. You invested $20,340​, part of it in a stock that paid​ 12% annual interest.​ However, the rest of the money suffered a​ 5% loss. If the total annual income from both investments was $2060​, how much was invested at each​ rate?

How much money was invested at​ 12% annual​ interest? _$__?__

How much money way invested at a 5% loss? $___?__

Answer 1