C and D are two rectangular tanks. The base area of C is 92 cm
2 while that of D is 46 cm
2 . At first, C contained water to a height of 60 cm and D was empty, as shown.
- What was the volume of the water in C at first?
- Neave then poured some water from C to D. After that, the height of the water level in C was twice that in D. What was the new height of the water level in C?
(a)
Volume of water in C
= 92 x 60
= 5520 cm
3 (b)
Total base areas
= 92 + 92 + 46
= 230 cm
2 Height of water if the total base area is 230 cm
2 = 5520 ÷ 230
= 24 cm
New height of the water level in C
= 24 x 2
= 48 cm
Answer(s): (a) 5520 cm
3; (b) 48 cm