# Ratio

Increase in the ratio 20:4 number 18.5.

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

**Showing 0 comments:**

**Be the first to comment!**

Tips to related online calculators

Check out our ratio calculator.

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

## Next similar math problems:

- Ratio v2

Decrease in the ratio 12:16 number 13.2. - Percentages and numbers

How many percent is number 426 greater than number 71? - Ratio - proportion

Reduce the number 16 in proportion 3:2 5:4 11:8 - Bureaucracy

The office was attended by 23 people. 9 of them completed the questionnaire. What is the percentage of all people? - Arble bag

A marble bag sold by Rachel's Marble Company contains 5 orange marbles for every 6 green marbles. If a bag has 35 orange marbles, how many green marbles does it contain? - One sixth

How many sixths are two thirds? - Efficiency

A certain device consumes 28 kW and delivers 14 kW. Find its efficiency. - Andre

Andre, Thomas, and Ivan split 88 postage stamps in a 2:5:4 ratio. How much did Thomas get? - Two machines

Performances of two machines are in a ratio of 7:12. A machine with less power produced 406 pieces of products per shift. a) How many pieces produced per shift second machine? b) How many pieces produced two machines together for five shifts? - To improper fraction

Change mixed number to improper fraction a) 1 2/15 b) -2 15/17 - Fraction

Determine for what x fraction ?: - Average

The arithmetic mean of the two numbers is 71.7. One number is 5. Calculate the second number. - Iron

Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron? - Bicycle

The bicycle pedal gear has 36 teeth, the rear gear wheel has 10 teeth. How many times turns rear wheel, when pedal wheel turns 120x? - Class

In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing? - Combine / add term

Combine like terms 4c+c-7c - Simple equation

Solve for x: 3(x + 2) = x - 18