t1584jb
t1584jb t1584jb
  • 05-11-2020
  • Mathematics
contestada

c.) of a total of $10,000, part was invested at 10% simple interest and the remainder at
7%. If the total income for the year was $80s, how much was invested at each rate?

c of a total of 10000 part was invested at 10 simple interest and the remainder at 7 If the total income for the year was 80s how much was invested at each rate class=

Respuesta :

gardnerdanj gardnerdanj
  • 07-11-2020

Answer:

$3,500 at 10% and $6,500 at 7%.

Step-by-step explanation:

M * 10% + (10000 - M) * 7% = 805

0.1M + 700 - 0.07M = 805

0.03M = 105

M = 3500

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