Question

algebra

Answer 1

to increase a number by \(7.25\%\) multiply it by \(100\%+7.25\%=107.25\%=1.0725\)
to do it 7 times in a row, compute \[400\times(1.0725)^7\] with a calculator

Answer 2

652.891624427689235595703125

Answer 3

@satellite73 can you round it bro?

Answer 4

Where:

P is the principal amount, $400.00.
r is the interest rate, 7.25% per year, or in decimal form, 7.25/100=0.0725.
t is the time involved, 7....year(s) time periods.
So, t is 7....year time periods.
To find the simple interest, we multiply 400 × 0.0725 × 7 to get ?

Answer 5

@hojitolindo - this i have solved to you in a past posted question - not have got it ?

Answer 6

check it there please i have wrote to you step by step