amar borrowed rupees 800 at the 4ate of intrest of 5% per annum. the amount he will pay after 3½ years is
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Step-by-step explanation:
simple interest = principal×rate×time/100
= 800×5×3.5/100
= 4000×3.5/100
= 14000.0/100
= 140
amount = principal + interest
= 800+140
amount = 940
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