Henri S [3]
(c)
A new truck costs $15000 and loses 23% of its value each year.
Calculate the value of the truck after three years.
$684
Answer(c)(i) S
[3]

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)