Question

The cost of chair is 16 chairs is rupees 3600 find find the number of chairs that can be
for 4500

Answer 1

hello mate..find it as follow

cost of 16 chairs = 3600rs

so cost of 1 chair = 3600/16 = 225rs

so in 4500 we can buy chairs = 4500/225 = 20 chairs

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Answer 2

cost of 16 chairs (x1)= 3600(y1)

cost of x chairs (x2)= 4500(y2)

x1/x2=y1/y2

16/x=3600/4500

16/x=12/15

x=15×16/12

x=5×16/4

=5×4

=20

therefore, cost of 20 chairs is equal to 4500