Unknown quantity (x-10cm) (3x+4)cm
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Step-by-step explanation:
Find the unknown quantity in eac
Time Period
Simple Interes
Rate of Interest
Principal
per annum
1
2
2
years
$1,200
12%
(0)
3.5%
2 years
3 years
* 120
4%
1
3
years
189
Hvitt 450
6%
178.50
$) *850
3 years
(iv) 5,400
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