Jassi inherited ₹12000.00. She invested part of it at 10% and rest at 12% p.a. simple interest. Her annual income from these investments is ₹1280.00. How much did she invest at each rate
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Answer:
So here it is
Step-by-step explanation:
1st part of investment=x
2nd part of investment=12000--x
Annual income from S.I. = 1280
X×10×1/100 + (12000--x) × 12 × 1/100 = 1280
10x/100 + 144000--12x/100 =1280
10x -- 12x + 144000 = 128000
--2x = 128000--144000
(cut the minus)2x = (cut the minus)16000
x = 8000
1st part of it's 10%=8000rs
2nd part of it's 12% = 4000rs
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