3 years ago

Tickets to a play cost $8 each . Write an expression that gives the ticket cost in dollars for a group of girls and boys

1 answer:

4 0

If tickets cost $8 each, each tells me that I will need to multiply something. I don't know how many girls and boys this group will have the problem does not tell me, so I will just use the variable "x" to stand for that number. $8 times x will equal the total cost in dollars for the tickets.
So the expression would be 8x = total or just 8x.

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$\large\boxed{n=\dfrac{4.6}{x}}$

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$nx-5=-0.4\qquad\text{add 5 to both sides}\\\\nx-5+5=-0.4+5\\\\nx=4.6\qquad\text{divide both sides by}\ x\neq0\\\\\dfrac{nx}{x}=\dfrac{4.6}{x}\\\\n=\dfrac{4.6}{x}$