Tristanfranzino Tristanfranzino

08-02-2017
Mathematics

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Chris withdraws $7.50 per week from his savings account. After 15 weeks, the balance in the account is $585.

1.Write an equation in point -slope form to model this.

2.Write the equation in slope-intercept form.

3.How much is in the account after 1 year (52 weeks)?

Respuesta :

sakethmalyala sakethmalyala

12-02-2017

y-585 = -7.5(x-15)

y = -7.5x - 7.5(-15) + 585
y = -7.5x + 697.50

C = -7.5(52) + 697.50 = $307.50

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