A landscape architect charges $100 for an initial consultation and then charges $85 an hour to design the landscaping for an area. Write an equation for the total cost y (in dollars) and x is the time (in hours) the architect works on the design.

step-by-step explanation:

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6

answer: a.12cm

step-by-step explanation: