Answer:12
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let x be the amount at 5%
Then 2200 - x is the amount at 3%
<u>The total interest is:</u>
- 0.05x + (2200 - x)*0.03 = 78.50
- 5x + (2200 - x)*3 = 7850
- 5x + 6600 - 3x = 7850
- 2x = 7850 - 6600
- 2x = 1250
- x = 625
<u>Find the amount at 3%:</u>
Answer:
x=1, -1
Step-by-step explanation:
Use m a t h w a y ... it's free
The answer is 1.63. The number after 2 is 5, which means you have to round up.