Question

Madelyn is knitting a scarf for a holiday gift. So far, it's 4.5 centimeters long. She plans to
knit every night, adding 5 centimeters per night.
Write an equation that shows the relationship between the number of nights Madelyn spends
knitting, x, and the length of the scarf in centimeters, y.
y =

Answer 1

In order to make the question true the length should be 45cm not 4.5 cm , Solving accordingly

• Let nights be x
• Rate of change=5cm

The equation is

• y=45-5x

As 45 is base amount we used it as y intercect