Marsha gave the cashier $20 to pay for 3 pairs of socks. The Cashier gave her $5.03 in change . Each pair of socks cost the same amount. What is the cost in dollars and cents for each pair of socks? $

First, you must subtract.

$20 - $5.03 = $14.97This is because he recieved $5.03 in exchange.

Next, you must divide by 3.

$14.97 / 3 = $4.99

Therefore each pair of socks costs $4.99.

Hope this helps! Have a good day/night! c:

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step-by-step explanation:

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation: