# Carpenter

From wooden block carpenter cut off a small cuboid block with half the edge length. How many percent of wood he cut off?

Result

p =  12.5 %

#### Solution:

$p = \dfrac{(a/2)(b/2)(c/2)}{ abc}100 = \dfrac{1}{8}\cdot 100 = 12.5 \%$

Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

## Next similar math problems:

1. Volume increase
How many percent will increase in the pool 50 m, width 15m if the level rises from 1m to 150cm?
2. Cuboid enlargement
By how many percent increases the volume of cuboid if its every dimension increases by 30%?
3. Juice box 2
Box with juice has the shape of a cuboid. Internal dimensions are 15 cm, 20 cm and 32 cm. If the box stay at the smallest base juice level reaches 4 cm below the upper base. How much internal volume of the box fills juice? How many cm below the top of the
4. Digging
A pit is dug in the shape of a cuboid with dimensions 10mX8mX3m. The earth taken out is spread evenly on a rectangular plot of land with dimensions 40m X 30m. What is the increase in the level of the plot ?
5. Balls
Ping pong balls have a diameter of approximately 5.1 cm. They are sold in boxes of 10 pieces: each box has the shape of a cuboid with a square base. The balls touch the walls of the box. Calculate what portion of the internal volume of the box is filled.
6. Persons
Persons surveyed:100 with result: Volleyball=15% Baseball=9% Sepak Takraw=8% Pingpong=8% Basketball=60% Find the average how many like Basketball and Volleyball. Please show your solution.
7. Red diplomas
He numbers of students with honors in 2013 and 2014 are in ratio 40:49. How big is the year-on-year percentage increase?
Calculate how many percent will increase the length of an HTML document, if any ASCII character unnecessarily encoded as hexadecimal HTML entity composed of six characters (ampersand, grid #, x, two hex digits and the semicolon). Ie. space as: &#x20;
9. Highway repair
The highway repair was planned for 15 days. However, it was reduced by 30%. How many days did the repair of the highway last?
10. The ball
The ball was discounted by 10 percent and then again by 30 percent. How many percent of the original price is now?
11. Summerjob
The temporary workers planted new trees. Of the total number of 500 seedlings, they managed to plant 426. How many percents did they meet the daily planting limit?
12. Percentages
52 is what percent of 93?
13. Profit gain
If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is:
14. Percents
How many percents is 900 greater than the number 750?
15. Percentage 10
52 shorts and missed 13. Calculate percentage
16. Water in vegetables
Tomatoes in the store contain 99% water. After being transported to the shop, they were slightly dried and contained only 98% of water. How many kgs of tomatoes are in the store if there were 300 kg in stock?`
17. Trip to a city
Lin wants to save $75 for a trip to the city. If she has saved$37.50 so far, what percentage of her goal has she saved? What percentage remains?