Paula has a large ball of yarn that she is going to use to knit a scarf for the winter. Every square inch on the scarf requires a certain number of yards of yarn from the ball.

A linear model of this situation contains the values (10, 355.6) and (27, 159.42), where x represents the number of square inches knitted on the scarf, and y represents the number of yards remaining on the ball of yarn.

How many yards of yarn did Paula start with?
A. 11.54
B. 471
C. 515.02
D. 508

Question

Paula has a large ball of yarn that she is going to use to knit a scarf for the winter. Every square inch on the scarf requires a certain number of yards of yarn from the ball.

A linear model of this situation contains the values (10, 355.6) and (27, 159.42), where x represents the number of square inches knitted on the scarf, and y represents the number of yards remaining on the ball of yarn.

How many yards of yarn did Paula start with?
A.  11.54
B.  471
C.  515.02
D.  508

constanceleak · Answer

I think the answer is B.