Your grandmother deposited some money on your saving account several years ago. if after 4 years, you had $489 and after 6 years, you had $567 on your account. how much did your grandmother deposit originally? use the first point to find the original value.

round your answer to two decimal places.

$372

Step-by-step explanation:

If after 4 years, you had $489 and after 6 years, you had $567 on your account.

We first determine the slope of the points (4,489) and (6,567).

Using the slope-Intercept form, y=mx+c and the first value $489

y=mx+c

489=39(4)+c

c=489-156=333

The equation of the line is:

y=39x+333

The Initial Deposit,y at x=1

y=39(1)+333

Initial Deposit =$372

yes

step-by-step explanation: