If a bat and ball costs $1:10
And the bat costs $1 more than the ball
How much does the ball cost?

ANSWERS

2015-11-03 19:57:32

x = bat, y = ball x + y = 1.10 x = y + 1 y + 1 + y = 1.10 2y + 1 = 1.10 2y = 1.10 - 1 2y = 0.10 y = 0.10/2 y = 0.05 <=== the ball x = y + 1 x = 0.05 + 1 x = 1.05 <== the bat

2015-11-03 19:58:47

10¢ I think because 1.10$-1.00$=10¢

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