CBSE Class 9 Answered
The cost of one pen is equal to four times of pencil.change to ax+by+c=0 .
Asked by dhyeyvachani26.tl | 11 Apr, 2020, 08:18: PM
Let the cost of one pen be x and the cost of one pencil be y.
According to the condition, we get
x = 4y
→ x - 4y + 0 = 0
Here a = 1, b = -4 and c = 0
Answered by Yasmeen Khan | 11 Apr, 2020, 08:27: PM
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