Half the weight of a brick plus 20 pounds is equal to 1/3 the weight of the brick plus 30 pounds. How much does the brick weigh?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
Isosceles scale has on one side all brick and second weight 1 kg and 1/4 of brick. The balance is in equilibrium. What is the weight of a brick?
- Fraction and a decimal
Write as a fraction and a decimal. One and two plus three and five hundredths
- 3 children
3 children had to divide 4 pounds is candy. How much candy did each child get?
Kim needs 3/4 cup of flour to make 12 cookies. How much flour would she need to make 60 cookies?
- Pie II
vili ate three pieces of pie . if it pieces is 1/8 how much pie did he eat?
- In fractions
An ant climbs 2/5 of the pole on the first hour and climbs 1/4 of the pole on the next hour. What part of the pole does the ant climb in two hours?
- Coal storage
The coal storage distribute received coal shipment within three days. The first day distribute third of the shipments, the second day of two-fifths of the rest and the third day 300 tons of coal. How many tons of coal distributed first and second day?
I think the number. If I add to its third seven I get same as when to its quarter add 8. Which is the number?
3/5 trees are apples, cherries are 1/3. 5 trees are pear. How many is the total number of trees?
- Jam cakes
Mom baked a third of plum jam cakes, one third cheesecakes and 18 poppy. How many cakes she had bake?
One-eighth of 9th class was interested in studying at a grammar school, at a business academy one sixth, at secondary vocational schools quarter, to SOU one third and the remaining three students were interested in the school of art direction. How many st
- Unknown number 6
Determine the unknown number, which is by 1.5 greater than its fourth.
Mom bake cookies. Rolo took 2/9 of all cookies, Michal 3/9. How many cookies ate Rolo if Michal had 9.
- Forest nursery
In the forest nursery after winter, they found that 1/10 stems died out of them. For them, they land 193 new spruces. How many spruces are in the forest nursery?
Zdeněk picked up 15 l of water from a 100-liter full-water barrel. Write a fraction of what part of Zdeněk's water he picked.
- Fraction to decimal
Write the fraction 3/22 as a decimal.
Write the mixed number as an improper fraction. 166 2/3