Answer:
$18.28
Step-by-step explanation:
Step one:
given data
Kate had a sum of money,she spent 1/8 of the money on a skirt and the remaining amount on a handbag
let the total money be x
so mathematically
x-1/8*x= 16
solve for x
x-x/8= 16
8x-x/8= 16
7x/8=16
cross multiply
7x= 8*16
7x=128
divide both sides by 7
x=128/7
x=$18.28
Y=x^-3...................
A light-year is defined as the distance the light can cover in one year.
The light travels at speed of

, and one year converted into seconds is

So the distance covered by the light in one year is

And this is the distance that corresponds to one light-year.
Answer:
Step-by-step explanation:
450000000000
Add up the length of all 4 sides