Question

the coach of a cricket team buys 3 bats and 6 balls of the same kind for Rs.3900,later she buys another bat and 3 more balls of the same kind for Rs .1300. represent this situation algebraically and geometrically.​

Answer 1

let rate of bat = xRs.

and rate of ball = yRs.

3x+6y=3900.....(i)

and x+3y=1300.....(ii)

or x=(1300−3y)

now equation (i) can be written as

3(1300−3y)+6y=3900

3900−9y+6y=3900

∴y=0

Ans:- x=1300

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