# Magic belt

The magic rectangular belt has the property that whenever its owner wants something, the length of the belt is reduced to 1/2 and the width to 1/3. After three such wishes, the belt had a content area 4 cm

^{2.}What was its original length if the original width was 9 cm?**Result****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:

- Withdrawal

If I withdrew 2/5 of my total savings and spent 7/10 of that amount. What fraction do I have in left in my savings? - Fraction to decimal

Write the fraction 3/22 as a decimal. - Zdeněk

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 and a decimal

Write as a fraction and a decimal. One and two plus three and five hundredths - Ratio 11

Simplify this ratio 10 : 1/4 - Mixed2improper

Write the mixed number as an improper fraction. 166 2/3 - Passenger boat

Two-fifths of the passengers in the passenger boat were boys. 1/3 of them were girls and the rest were adult. If there were 60 passengers in the boat, how many more boys than adult were there? - Teacher

Teacher Rem bought 360 pieces of cupcakes for the outreach program of their school. 5/9 of the cupcakes were chocolate flavor and 1/4 wete pandan flavor and the rest were vanilla flavor. How much more chocolate flavor cupcakes than vanilla flavor? - Points

Gryffindor won 437 points. How many points obtained by each of the faculties if they were split at a ratio of 5: 7: 3: 4? - Pizza 4

Marcus ate half pizza on monday night. He than ate one third of the remaining pizza on Tuesday. Which of the following expressions show how much pizza marcus ate in total? - 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? - Ratios

Divide: a) 250 CZK in the ratio 2:3 b) 1000 CZK in the ratio 4:7:9 - Hamster cage

Ryan keeps his hamster cage on his dresser. The area of the top of Ryan's dresser is 1 2\3 as large as the area of the bottom of his hamster cage. The area of the dresser top is 960 square inches. How many square inches of his dresser top are not covered b - Divide money

Divide 1200 USD at a ratio of 1:2:3:4:5:6:9:10 - One sixth

How many sixth are two thirds? - Building

At the building, we divided 240 boards into two piles in a 5: 3 ratio. How many were fewer boards in the lower pile? - A map

A map of size 60cm by 25cm is reduced in the ratio of 3:5, twice. What are the new dimensions?