Question

tanyl is on vacation at gull lake. to keep in touch, she decides to send 3 postcards each day. write an equation that shows the relationship between the number of days tanyl has been on vacation, x, and the total number of postcards she has sent, y.

( y = )

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Explanation:

Step1: Analyze the relationship

Tanya sends 3 postcards each day. If \( x \) is the number of days, the total postcards \( y \) is 3 times \( x \).

Step2: Form the equation

The equation representing this relationship is \( y = 3x \).

Answer:

\( y = 3x \)