Question

complete the table below where S is the simple interest earned on principal p at the rate of 8% pa in 1year
p (inrs) 100 , 200 , 300
SI (inrs)
plot the graph for the points p , S from the graph calculate the interest payable on rs800 after 1 year at the rate of 8%pa

this is the graph question
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Answer 1

rs800 after 1 year at the rate 8%=80