# Crystal

The crystal grows every month 1.2 permille of its mass. How many months to develop a crystal from weight 177 g to 384 g?

### Correct answer:

Tips for related online calculators

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Our permille calculator will help you quickly calculate various typical tasks with permilles.

Do you want to convert time units like minutes to seconds?

Our permille calculator will help you quickly calculate various typical tasks with permilles.

Do you want to convert time units like minutes to seconds?

#### You need to know the following knowledge to solve this word math problem:

**algebra**- exponential equation
- geometric progression
**arithmetic**- exponentiation
**basic functions**- percentages
- logarithm
- per mil
- exponential function
**numbers**- real numbers

#### Units of physical quantities:

#### Grade of the word problem:

## Related math problems and questions:

- Adhy deposits

Adhy deposits 1 678.75 to his savings account every month for ten months. How much is his savings after ten months? - The piglet

The weight of the piglet regularly grew by five kilograms for four months. Determine the proportion by weight of the piglet each month if the first weighed 35 kg. - MP3 player

Mary plans to buy a new MP3 player for 90 USD. And every month, the amount he saved in the previous month doubles. If she saves 3 USD in the first month, how many months will Mary save enough to buy an MP3 player? - Increased 65874

Honza received CZK 2,830 every month. He saved from December to October. In May, he had increased pocket money by CZK 2,370, in August 2 times more than in May. How much did he save in October? - Accelerated motion - mechanics

The delivery truck, with a total weight of 3.6 t, accelerates from 76km/h to 130km/h in the 0.286 km long way. How much was the force needed to achieve this acceleration? - Garden

The garden grows 312 roses and 389 tulips. Which flowers are more? How many? - Quartile statistics

Use the following data, which was obtained from a study of weights of adult men, to answer problems: Mean ; 192 lb ; First quartile ; 178lb Median; 185lb ; Third quartile ; 232 lb Mode ; 180 lb ; 86th percentile ; 239 lb Standard Deviation ; 23lb; ; a) Wh - Run 9

Every time Colin runs, he runs 3/4 of a mile. Whenever Isabel runs, she runs 1/4 of a mile. If Colin runs two times a week, how many times must Isabel run to cover the same distance as Colin? - Gold coin

The gold coin contains 962 permille pure gold, which is 7.5 g. What is the weight of the coin in grams? - Crystal water

The chemist wanted to check the content of water of crystallization of chromic potassium alum K_{2}SO_{4}* Cr_{2}(SO_{4}) 3 * 24 H_{2}O, which took a long time in the laboratory. From 96.8 g of K_{2}SO - Camel and water

84% of the camel's weight is water. After drinking, its weight increased to 832 kg, and water accounted for 85% of its weight. How much did it weigh before drinking? - Pigs

Pigs are fed by beet. Beet feed contains 12% dry solids, which is 0.72% of digestible crude protein. How much beet must be consumed in one month (30 days) if the weight of digestible crude protein contained in a daily dose of beet was 0.912 kg? - Average bill

Kelly's mother recorded the electric bills for the last four months as follows: Php 1 427.50, Php 1 805.25, Php 1 753.75, and Php 1 263. What was the average bill per month? - Gravel - cone

The mound of gravel has a regular circular cone shape with a height of 3.3 meters and a base circumference of 18.85 meters. How many cubic meters of gravel are in a pile? Calculate the weight of gravel if its density is p = 640 kg/cubic m. - Weightlifter

Weightlifter lifted 75% of its weight. Determine how much weight is lifted when he weighs 132 kg. - Market open

A certain market opens for sales every 7th day of the week. If it opened last on a Friday, what day of the week will the market be opened again after nine months? (Hint: a month is 30 days) - Kerosene 2897

What is the volume of kerosene if its weight is 8g? The density of kerosene is 780 g / l