Problema Solution
Kate is knitting a 90-inch scarf at the rate of 8 inches per day, write a rule in function notation to find the number of inches she has left to knight at the end of any given day. Let d represent the number of days spent knitting.
Answer provided by our tutors
the number of days spent knitting: d
the number of inches she has left: X
So
X = 90-8d
So the expreesion is X = 90-8d
the number of days spent knitting: d
the number of inches she has left: X