jamesbspencerovhsve jamesbspencerovhsve

30-08-2017
Mathematics

contestada

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

Respuesta :

texaschic101 texaschic101

30-08-2017

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

Answer Link

hailey96 hailey96

30-08-2017

10¢ I think because 1.10$-1.00$=10¢

Answer Link

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