Pre Alg 7 warm up 12/19 & 12/20

Front

What is the total number of days in a normal year?

Back

365 days.

Front

On which day does Christmas usually fall in a normal year?

Back

December 25, which is the 359th day of the year.

Front

Back

x = 15.

Front

How do you calculate 18% tip on a $75.45 dinner?

Back

Tip = 0.18 * 75.45 = $13.58.

Front

Write the inequality for Aaron's savings problem: He needs at least $240, has $30, and earns $14 per car washed.

Back

14x + 30 ≥ 240.

Front

Which statement is NOT true? Every decimal number is an irrational number. True or False?

Back

False. Not every decimal is irrational; some are rational.

Front

What is a rational number?

Back

A number that can be expressed as a fraction of two integers.

Front

What is an inequality?

Back

A mathematical statement that compares two expressions and shows that one is greater than, less than, or equal to the other.

Front

What does it mean to solve an equation?

Back

Finding the value of the variable that makes the equation true.

Front

What is the formula to calculate a percentage of a number?

Back

Percentage = (Part/Whole) * 100.