The cost of 2 chairs and 3 tables is Rs 1300. The cost of 3 chairs and 2 tables is Rs 1200. The cost of each table is more than that of each chair by:
- Rs 70
- Rs 100
- Rs 50
- Rs 60
Please Explain...
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4
Step-by-step explanation:
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Answered by
6
Answer:
100 Rs
Step-by-step explanation:
let cost a chair be RS x and cost of a table be RS y.
2x + 3y = RS 1300 [ equation-1]
3x + 2y = RS 1200 [ equation-2]
multiply equation 1 by 3 and equation 2 by 2
6x + 9y = RS 3900
6x + 4y = RS 2400
now, subtract equation 1 from equation 2
6x + 9y -( 6x + 4y) = RS 3900 - RS 2400
6x + 9y - 6x - 4y = RS 1500
5y = RS 1500
y = RS 1500/5
y = RS 300
now put value of y in equation 1
2x + 3y = RS 1300
2x + 3(300 RS) = RS 1300
2x + RS 900 = RS 1300
2x = RS 1300-Rs 900
2x = RS 400
x = RS 200
so, cost of table is RS 100 more than that of chair.
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