6/ 712 / 15 which one is greater and how do i explain it

Greater fraction is

Step-by-step explanation:

we are given two fractions

  and

First fraction:

Second fraction:

We can simplify it

To compare them , firstly we should make common denominator

denominators are 7 and 5

so, common denominator is

now, we can make each denominator as 35

so, we can see that both fractions have common denominator =35

and greater numerator is 30

so,

Greater fraction is

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation:

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