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3 years ago

it costs $4 to enter the fair. each ride costs $2.50. You have $21.50. how many rides can you ride? write a equation

2 answers:

4 0

4+2.50x=21.50

You know you need 4 dollars to enter so you have that then 2.50 is the cost for one ride and x is how many rides you can ride

To solve you need to solve for x by subtracting 4 on both sides then dividing both sides by 2.50

Shalnov [3]3 years ago

3 0

Answer:

7 rides

Equation 21.50 = 2.50x + 4

Step-by-step explanation:

21.50 - 4 = 17.50

17.50/2.50 = 7

21.50 = 2.50x + 4

x is the amount of rides

If this helps, please consider giving me brainliest

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-Pass the x-term to the right side of the equation by applying the opposite operation to both sides of the equal sign:

$\begin{gathered} -2x+2x-2y=8+2x \\ -2y=2x+8 \end{gathered}$

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Once you have expressed the equation of the line in slope-intercept form, replace it with any value for x and calculate the corresponding value of y, for example, x=2

$\begin{gathered} y=-(2)-4 \\ y=-2-4 \\ y=-6 \end{gathered}$

One solution for the linear equation is x=2 and y=-6, you can check the solution by replacing the values on the original equation, with both values the result should be 8: