let cost of pen be x and y respectively a girl pay Rs. 16 for 2 pens and 3 pencil write equation and draw it's graph
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2x +3y=16
for drawing the graph substitute the values and find any 2 ordered pairs
y=0
2x=16
x=8
first pair=(8,0)
y=2
2x+6=16
2x=10
x=5
second pair = (5,2)
mark the first pair and second pair on a graph sheet join the 2 points and extend the line .
for drawing the graph substitute the values and find any 2 ordered pairs
y=0
2x=16
x=8
first pair=(8,0)
y=2
2x+6=16
2x=10
x=5
second pair = (5,2)
mark the first pair and second pair on a graph sheet join the 2 points and extend the line .
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