Math (Special Flashcard)

Front

A jar contains red and blue marbles in the ratio 4:6. If there are 60 marbles in total, how many are red?

Back

36

Front

What is 120% of 50?

Back

60

Front

Simplify: 3 - 16

Back

-13

Front

A $500 loan has a 10% annual interest rate. How much interest will accrue in one year?

Back

50

Front

A person saves $300, which is 20% of their income. What is their total income?

Back

1500

Front

What is the formula for calculating percentage?

Back

Percentage = (Part/Whole) * 100

Front

Define ratio in mathematics.

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

What is the formula for simple interest?

Back

Simple Interest = Principal × Rate × Time

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is the total number of parts in the ratio 4:6?

Back

10