Drying herbs

Herbs lose 75% weight By drying. How many fresh herbs do you have to collect if you want to make 1.5 kg of dried herbs?

Correct result:

x =  6 kg

Solution:

$$\begin{gathered} x-75\mathrm{/}100x=1.5 \\ x-75\mathrm{/}100\cdot x=1.5 \\ 25x=150 \\ x=6=6\text{ kg} \end{gathered}$$

Try another example

Showing 0 comments:

Related math problems and questions:

• Mushrooms
  Mushrooms lose 90% by weight drying. How many fresh mushrooms are needed for 5 kg of dried mushrooms?
• Drying apples
  By drying, apples lose 85% of their weight. How many kgs of dried apples do we get from 820 kilograms of fresh?
• Mushrooms
  Fresh mushrooms contain 94% water, dried 14%. How many kg of fresh mushrooms is needed to collect to get 10 kg dried?
• Dried apples
  How many kilograms of fresh apples id needed to 120 kg of dried apples when from 0.4 tons of fresh apples we get 75 kg of dried apples?
• Apples 2
  Dried apples contain 15% water. Fresh apples contain 80% water. How many kg of apples we need buy in order to get 3 kg of dried apples?
• Mushrooms
  Grandfather gathered fresh mushrooms. The fifth was wormwood, and it was thrown away, the other dried up. He obtained 720 grams of dried mushrooms. How many kilograms did the grandfather collect, and by drying the mushrooms they lost 75% of their weight?
• Barrel 3
  Barrel with water has a weight 118 kg. When we get off 75% of water it has a weight 35 kg. How many kg has empty barrel?
• Mushrooms
  Fresh mushrooms contain 88% water, dried 14% water. How many kilograms of fresh mushrooms should be collected to get 3 kg of dried?
• Mushrooms
  Fresh mushrooms contain 90% water, dried only 12%. How many kilograms of fresh mushrooms are needed for 5kg dried?
• Nectar
  Nectar collected by bees contains 70% water. From the nectar of the some process produces honey which contains 19% water. How many kg of nectar bees need to collect to make 1 kg of honey?
• Barrel 4
  Barrel of water weighs 63 kg. After off 75% water, the weight of the barrel with water is 21 kg. How many kg weigh empty barrel and how many kgs water in it?
• Acid evaporation
  How many kilograms of water do we have to evaporate from 100 kg of 32% acid to make it 80% concentration?
• Container with water
  The weight of a container with water is 2.48 kg. If the cast 75% water, the container with water has a weight of 0.98 kg. Determine the weight of the empty container. How much water was originally in the container?
• Water container
  Container with water weighs 1.48 kg. When we cast 75% of water container of water weight 0.73 kg. How heavy is an empty container?
• Salt
  Sea water containing 5% salt. How many kg of fresh water necessary to pour into 40 kg of sea water so that the salinity fell to 2%?
• The water barrel
  The water barrel weighs 122 kg. If we pour 75% of the water out of it, it will weigh 35 kg. What is the weight of the barrel?
• Lions
  If 8 lions is 40% how many would 75% be?