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Mathematics 14 Online
LadyRavyRay:

On a recent day, 8 euros were worth $11 and 40 euros were worth $55. Enter an equation of the form y = kx to show the relationship between the number of euros and the value in dollars. Let y be the value in dollars and x be the number of euros. The equation is y =

LadyRavyRay:

I got the answer: 1.125

LadyRavyRay:

Am I correct?

Vocaloid:

I don’t think so If x represents euros and y represents dollars And 8 euros = 11 dollars Then y = kx becomes 11 = 8k, solve for k

LadyRavyRay:

I don't understand?

Vocaloid:

They give you the equation y = kx They tell you x = euros and y = dollars So if 8 euros = 11 dollars then x = 8 and y = 11 Plugging them into the equation gives us 11 = 8k Solve for k

LadyRavyRay:

1.375x?

Vocaloid:

Yup, k = 1.375 so y = 1.375x is your equation

LadyRavyRay:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Vocaloid Yup, k = 1.375 so y = 1.375x is your equation \(\color{#0cbb34}{\text{End of Quote}}\) Thank you sir/ma'am.

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