Question

Find the Amount directly using the formula A= P(1+RT/100)T 1. P= 450 R= 7 percent T= 5 years please give correct answer​

Answer 1

Si = pnr = 450×5×7% = 450×5×0.07 = 157.5

A = p+si = 450+157.5 = 607.5

or:

A = 450(1+ 5×7%)

= 450(1+5×0.07)

= 450(1+0.35)

=450×1.35 = 607.5

________________________________

by reducing sp by 100

gain 10% becomes loss 10%

let original cp = x

g% = 10%

sp = x(1+10%) = 1.1x

now sp1 = sp -100 = 1.1x-100

loss % =10%

cp1 = sp/(1-l%) = (1.1x -100)/0.9

but cp does not change

so cp = cp1

1.1x - 100 /0.9=x

1.1x-100 =0.9x

0.2x =100

x =500

original sp = 1.1x = 1.1×500 = 550