Finding “PERCENT OF” a number. Watch video: LZ596

What is 35% of 60?

1. Since “OF” means multiply, change the question to a multiplication problem: 0.35 x 60 = 21 or

2. Use the PERCENT PROPOTION:

The bill at Chili’s is $35. If you leave 15% of the bill as a tip, how much tip should you leave? / The bill at Ted’s is $40. If you leave 18% of the bill as a tip, how much tip should you leave? / The bill at Mellow Mushroom Pizza is $55. If you leave 20% of the bill as a tip, how much tip should you leave?
20% of the cars in the parking lot are blue. If there are 400 cars in the lot, how many are blue? / There are 60 students in Band. If 15% play flute, how many flute players are in Band? / Jesse got 80% on his Science Test. If there are 50 questions on the test, how many did he get right?
35% of the cars in the parking lot are blue. If there are 400 cars in the lot, how many are NOT blue? / There are 80 students in Band. If 15% play flute, how many students play something other than flute? / Jesse got 80% on his Science Test. If there are 40 questions on the test, how many did he get wrong?

Finding WHOLE given part and percent. Watch video: LZ597

30% of a numberis 60, what is the number?

Use the PERCENT PROPOTION:

John left $5.25 as a tip. He left 15% of the bill as the tip. How much was the bill? / Sarah put 20% of her total monthly earnings into a savings account. If she put $60 into her savings account last month, how much did she earn? / 30% of kids at Kell Middle School own a device. If there are 90students who own a device at KMS, how many students are there?
20% of the cars in the parking lot are blue. If there are 40 blue cars in the lot, how many total cars are there? / There are 15 flute players in band. If 15% of the band plays flute, how many students are in the Band? / Jesse got 75% correct on his Science Test. If he got 30 questions correct, how many total questions are on the test?
40% of the cars in the parking lot are blue. If there are 75 cars in the lot NOT blue, how many total cars are in the lot? / 250% of a number is 50? What is the number? / 20% of the kittens in the litter were Calico. If there was only 1 kitten that was Calico, how many total kittens were in the litter?