PSLEJustin pushes two sticks, H and J, straight into the ground until the length of each stick that is above the ground is the same.
18 of H and
112 of J are in the ground. The length of H in the ground is 32 cm longer than the length of J in the ground. What is the total length of sticks H and J?
Fraction of Stick H above ground
= 1 -
18 =
78 Fraction of Stick J above ground
= 1 -
112 =
1112 Heights of Sticks H and J above ground are the same.
78 H =
1112 J
7788 H =
7784 J
Length of Stick H more than length of Stick J
= 88 u - 84 u
= 4 u
4 u = 32
1 u = 32 ÷ 4 = 8
Total length of Sticks H and J
= 88 u + 84 u
= 172 u
= 172 x 8
= 1376 cm
Answer(s): 1376 cm