Help with two word problems!!?

10. Moira has $500 in the bank at an annual intrest rate of 4%. How much money will she have in her account after two year?

12. How many ways are there to make 20 cents using dimes, nickels, and pennies.

Help with two word problems!!?student loans company

10. You can find how much after 1 year by multiplying 500 by 0.04 and adding it to 500. Then do the same for that answer to get the second year.

12. Make a chart. 2 dimes works, 1 dime 2 nickels; 1 dime 1 nickel 5 pennies; 1 dime 0 nickels 10 pennies, 0 dimes 4 nickels, 0 dimes 3 nickels 5 pennies,etc

Help with two word problems!!?

loan

10. 500 x (1.04)^2 = $540.8

12. 9 ways

D=Dime, N=Nickel, P=Penny

DD

DNN

DNPPPPP

DPPPPPPPPPP

NNNN

NNNPPPPP

NNPPPPPPPPPP

NPPPPPPPPPPPPPPP

PPPPPPPPPPPPPPPPPPPP|||the formula for finding the intrest is PTR/100.After finding the interest for 2years,add it to the first amount.

T(time)(no of years)=2, R(rate)=4%, P(Principal)=$500

interest=500 x 2 x 4/100

=$40

he amount she will have is principal + interest

=$500 + $40

=$540

don%26#039;t know no.12 sorry,i don%26#039;t live in America but in Nigeria so i don%26#039;t know the worth of pennies,dimes and nickels.