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TiliK225 [7]
3 years ago
15

A bat and a ball cost $1.10. The bat is $1 more than the ball. What does the ball cost?

Mathematics
1 answer:
mestny [16]3 years ago
4 0
1.05 is the answer
Write an algebraic equation to solve
a= ball
b= bat
a + b = 1.10
Write out the equation for the ball (a = b + 1)
substitute the equation for the ball into the original equation
(b + 1) + b = 1.10
simplify the equation
2b + 1 = 1.10
Solve the equation
2b + 1 = 1.10
-1. -1
——————-
2b .1
/2 /2 = .05

Plug in your answer into the equation for the ball (a= b + 1)
a= .05 + 1
1.05 is your answer

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