Lisa needs 250 yards of yarn to knit a hat. she has 185 yards of yarn and needs to buy the rest. how many yards of yarn does she need to buy? use the variable y to represent the number of yards of yarn she needs to buy. which equation represents this situation and its solution? y + 250 = 185; y = 65 y + 185 = 250; y = 65 250y = 185; y = 55 185y = 250; y = 55

Option B.

Step-by-step explanation:

It is given that Lisa needs 250 yards of yarn to knit a hat.  

She has 185 yards of yarn and needs to buy the rest.

Let y to be the number of yards of yarn she needs to buy.

Number of yards of yarn she needs to buy + Number of yards of yarn she has = 250

Subtract 185 from both sides.

The required equation is and solution is .

Therefore, the correct option is B.

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