Ya i've been putting off posting these, so here come alot...
27. A stack of five identical plates is 8 cm tall and a stack of 9 is 13 cm tall. What would be the heigh of a stack of 4 if all plates nest within ea other?
ANS - 6.75 cm
28. The great pyramid of Khufu was constructed in 2589 BC with 481.4 ft as a height. Due to weathering, in 2004 AD its height was 449 ft. Assuming a linear decrease, when is the year which the height will be 440 ft?
ANS - 3279 AD
37. A hoola hoop is 36 inch in mean diameter and 1 in diameter in cross section. What is the volume?
ANS - 88.8 cubic in
36. Aspect ratio of US flag is 10:19. If a large flag has stripes at the bottom running 30 ft, what is shortest acceptable flagpole if the flag comes no close than 15 ft to the ground?
ANS - 30.8 ft
57. Icing is drizzled on top of a 9-in diameter cake. It is poured on the center at a rate of 1 cup/min and icing thickness is constant. If the icing on the cake is spreading radially at .5 in/s when it reaches the edge, what is the icing thickness?
ANS - .0170 in
27. What is the percent difference in distance to the horizon from a 5 ft tall person standing on ground and the same person on a 50-ft tall platform?
ANS - 232%
46. A 6-ft tall person occupies a volume of 3.85 cubic ft. What is the volume occupied by a 100-ft tall person statue? I think it should be 17800 cubic ft? ANS - 4630 ft.
Percent difference is always 2nd value minus 1st value, then divide by 1st value right? Is percent error the same or different?
46. A company makes all their saucepans using .03 in thick sheet metal. If an empty 2 qt saucepan weighs 2.7 lb, how much does a filled 4 qt saucepan weigh?
ANS - 12.6 lb
27. What is the roaming area of a goat on a 20 ft leash tied to the corner of a shed 8 ft by 12 ft?
ANS - 1110 sq. ft.
Thanx for all the help!