Ariana has $1,000 to put in a savings account. she is choosing between two banks. bank a offers 7% compounded quarterly and bank b offers 7.1% compounded śemiannually. if she saves for a year which bank would pay more interest and by how much.

Bank B would pay more interest than Bank A by $0.40

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

Bank A

substitute in the formula above  

Bank B

substitute in the formula above  

Find out the difference

therefore

Bank B would pay more interest than Bank A by $0.40

50*10 is greater

step-by-step explanation:

if you add the zero from 10 to 50, it will give you a bigger number.

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm