The Kwon family has a rainwater catchment system they use to water their garden. After 3 days without rain, the depth of water in the tank is 63 inches. After 5 days, the depth is 57 inches.
What will the depth of water in the tank be after 17 days?
2 answers
What tank?
(3,63),(5,57), (17,y).
m = (57-63)/(5-3) = -6/2 = -3.
m = (y-57)/(17-5) = (y-57)/12 = -3/1
y-57 = -36
Y = 57-36 = 21 Inches after 17 days.
m = (57-63)/(5-3) = -6/2 = -3.
m = (y-57)/(17-5) = (y-57)/12 = -3/1
y-57 = -36
Y = 57-36 = 21 Inches after 17 days.
1 answer