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anonymous
 one year ago
Marsha Waide borrows $7,500 and agrees to pay it back in 3 years. If the simple interest rate is 10% find the total amount she pays back
anonymous
 one year ago
Marsha Waide borrows $7,500 and agrees to pay it back in 3 years. If the simple interest rate is 10% find the total amount she pays back

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok do you know the simple interest formula?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok the formula is I= PRT

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I equals the interest in money in dollars which we are trying to find correct?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@tmunoz do u need help or not?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok then follow along

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ok so the p stands for the starting money based on the problem how much was that?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes correct but its a comma not a period. Ok so the next part of the equation is R which is the rate in years which is what based on the problem?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Good. and the last part is R( sorry in the last comment i meant to say T which stands for time) is the rate in decimal form

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yep now we have to put it in decimal form though... do you know hoe to make a percent a decimal?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Good! Alright so now we have all the parts to out equation... which is now 7,500 times 3 times 0.1... Multiply them all to find I or the interest rate

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no problem hope you understand now

anwaarullah
 one year ago
Best ResponseYou've already chosen the best response.0105 interest *3=30 %=.30 .30*7500=2250 p+i=total amount 2250+7500
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