Finding Percent

Vocabulary• You can solve percent problems by writing

and solving a proportion• Use the words as clues to fill in this model:

What percent of 75 is 60?

Example 1• The Jeans Factory store is having a sale. How much money will

you save at this store if you buy a pair of jeans on sale that originally cost $60.00?

• You can find out how much you will save by finding 30% of $60.00.

• Write a proportion.• Let n = the amount of savings

• You will save $18.00

Example 2

• Write a proportion to find 40% of 75.• Let n = 40% of 75. Use cross products to solve

for n.

• 30 is 40% of 75.

Guided Practice1. What is 40% of 15?

_______ = _______

2. What is 5% of 20?_______ = _______

3. What is 10% of 35?_______ = ________

Classwork Find the percent of each number.1.40% of 1202.25% of 2453.120% of 604.6% of 255.10% of 466.35% of 907.45% of 508.100% of 79.65% of 30010.How much would you save on a $45 pair of jeans on sale for 40% off?