6th_M2T2 Retest

Front

What is the formula to calculate the percentage of correct answers on a test?

Back

Percentage = (Number of Correct Answers / Total Questions) x 100

Front

If Hector got 42 out of 50 questions correct, what percent did he get correct?

Back

84%

Front

What does 80% of a total mean in a real-world context?

Back

It means that 80 out of every 100 parts of the total are being considered.

Front

If Uncle Gino’s Pizza Parlor sold 200 sausage pizzas, which is 80% of total pizzas, how do you find the total number of pizzas sold?

Back

Total Pizzas = Sausage Pizzas / Percentage = 200 / 0.8 = 250

Front

How do you calculate the number of pizzas that were not sausage if 200 were sausage and total was 250?

Back

Not Sausage Pizzas = Total Pizzas - Sausage Pizzas = 250 - 200 = 50

Front

What is 18% of 200?

Back

36

Front

How do you calculate a percentage of a number?

Back

Multiply the number by the percentage (as a decimal). For example, 30% of 50 is 50 x 0.30 = 15.

Front

If Jorge spent 30% of $50 on music, how much did he spend?

Back

$15

Front

What is the equation to find out what number a percentage is of?

Back

If x% of a number is y, then the number = y / (x/100).

Front

If 30% of what number is 21, how do you find that number?

Back

70 is the number because 30% of 70 is 21.