Respuesta :
Answer:
I believe he can go on 30 rides.
Step-by-step explanation:
The equation would be 5 + .5x = 20
Because $5 to get in, plus $.50 per ride (x is number of rides you are solving for), and $20 is total amount you can spend.
So, .5x=15 so x=30
The linear equation is y = 0.5x + 5 and with $20, Evan can go on 30 rides
The equation of a straight line is given by:
y = mx + b;
where y,x are variables, m is the slope of the line and b is the y intercept.
let x represent the number of rides and y represent the cost for x rides.
Since the admission to the fair is $5, hence b = 5, Also the cost per ride os $0.5 hence m = 0.5. The linear equation becomes:
y = 0.5x + 5
The number of rides for $20 is:
20 = 0.5x + 5
0.5x = 15
x = 30 rides
Therefore with $20, Evan can go on 30 rides
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