4*200+4*70+4*5, or you can just use a calculator.
Answer:
first: 1/3
second: 1
third: 1/2
Step-by-step explanation:
It’s option D.) I did a quiz on this !
The amount invested in each company is :
- Amount invested in PP = $2400
- Amount invested in TT = $(10000 - 2400) = $7600
Using the simple interest relation:
Simple interest = principal × rate × time
Total amount = 10000
Let :
principal invested in PP = r
HENCE, amount invested in TT = 10000 - r
Total interest earned on both investments = $620
PP investment return + TT investment return = 620
(r × 10% × 1) + (10000 - r × 5% × 1) = 620
0.1r + 500 - 0.05r = 620
0.05r = 620 - 500
0.05r = 120
r = 120 / 0.05
r = 2400
Hence,
Amount invested in PP = $2400
Amount invested in TT = $(10000 - 2400) = $7600
Learn more : brainly.com/question/20014745?referrer=searchResults
