Percentages

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/5

encourage image

There's no tags or description

Looks like no tags are added yet.

6 Terms

1
New cards

compound interest

original number * rate of in/decreasex

  • x = number of years


2
New cards

percentage change (how much has it increased by as a percentage?)

change from original # / original amount

3
New cards

reverse percentage (find og based off current)

  1. percentage of current number in terms of the original number

  2. divide by 100

  3. current number / step 2 = answer


4
New cards

turning fractions into decimals

  1. divide so denominator can be multiplied to 100

  2. multiply denominator to 100 then convert to percentage


5
New cards

ratios » fractions

  1. add up all parts in ratio

  2. pick one component to become fraction i.e. 5:2 » 5/7


6
New cards
<p></p>


compares directly between 2 items, find how much of c is needed to fulfill d

  • c/d = 7/4 (7/4 : 1)

  • c/d * 2/3 = 7/6