Question

y = -7x + 50 (1,43) (6,8) use the equation of the trend line to predict the money left in the account after shopping 5 times. $? money left in the account (dollars) number of times shopping 0 1 2 3 4 5 6 7

Explanation:

Step1: Identify the variable

The number of times shopping is \( x \), and we need to find the money left (\( y \)) when \( x = 5 \). The equation of the trend line is \( y=-7x + 50 \).

Step2: Substitute \( x = 5 \) into the equation

Substitute \( x = 5 \) into \( y=-7x + 50 \):

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Answer:

15