Answer :
Answer:
n = 14 - r
or
x = 14 - r
it doesnt really matter which variable you use for "number of needles"
Step-by-step explanation:
let number of needles now be n
n = 14 - r
Answer:
n = 14 - r
or
x = 14 - r
it doesnt really matter which variable you use for "number of needles"
Step-by-step explanation:
let number of needles now be n
n = 14 - r