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A store sells packs of 3 tennis balls for $5, and packs of 8 tennis balls for $12. In one day the store received $151 in sales of tennis balls. If the store sold 97 tennis balls in total, how many packs of 3 balls did they sell?

Respuesta :

at243546
The equation I used was just subtracting 12 from 151 until I ended up with 115. Dividing 115 by five will get you how many pack of three were sold, that’s at most however. All in all I got 23!
Your answer should be 23.

11 packs of 3 tennis ball was sold .

What is an Equation ?

An equation is a mathematical statement formed when two algebraic expressions are equated by an equal sign.

It is given that

A store sells

A pack of 3 tennis ball at $5

A pack of 8 tennis ball at $12

Let the pack of 3 sold is x

and the pack of 8 sold is y

It is given that

3x + 8y = 97

5x +12y = 151

Solving these equations

x = 11

and y = 8

Therefore 11 packs of 3 tennis ball was sold .

To know more about Equation

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