# Real Life Applications for Decimals

Views:

Category: Education

## Presentation Description

Go through 7 real life problems that deal with + - x / decimals

## Presentation Transcript

### Real Life Applications :

Real Life Applications + - x / Decimals

### If gasoline sells for \$1.35 per gallon, what is the cost of 9 gallons of gasoline? :

If gasoline sells for \$1.35 per gallon, what is the cost of 9 gallons of gasoline? 1.35 1.35 1.35 1.35 1.35 1.35 1.35 1.35 +1.35 1.35 x 9 5 1 3 4 12 There are 2 numbers after the decimal 9 gallons of gasoline costs \$12.15

### Johann buys CDs for \$7.50 each and sells them for \$10.95 each. How much profit does he make on 20 CDs? :

Johann buys CDs for \$7.50 each and sells them for \$10.95 each. How much profit does he make on 20 CDs? Find out how much profit he makes on 1 CD first \$10.95 - 7.50 5 4 3 He makes \$3.45 for each CD 2. Find out how much he makes selling 20 CD’s \$ 3.45 x 20 0 0 9 6 There are 2 numbers after the decimal Johann makes \$69 on 20 CD’s 1

### If it costs \$0.04 to write one check, what does it cost to write 150 checks? :

If it costs \$0.04 to write one check, what does it cost to write 150 checks? Well, we could add .04 150 times OR multiply .04 x 150. 150 x .04 0 0 2 6 There are 2 numbers after the decimal It will cost \$6.00 to write 150 checks

### Kumar’s beginning balance was \$120.50. He made deposits of \$40.67, \$23.50, and \$15. What is his new balance? :

Kumar’s beginning balance was \$120.50. He made deposits of \$40.67, \$23.50, and \$15. What is his new balance? Add money into your account \$120.50 40.67 23.50 + 15.00 7 6 1 9 9 1 Kumar’s ending balance was \$199.67

### Amy was charged \$2.50 for writing checks last month. If each check she wrote cost her \$0.05, how many checks did she write? :

Amy was charged \$2.50 for writing checks last month. If each check she wrote cost her \$0.05, how many checks did she write? NEW PROBLEM 5 -25 0 0 Amy wrote 50 checks

### Steve has \$15 to buy gasoline. If the cost for each gallon is \$1.20, how many gallons can he put in his car. :

Steve has \$15 to buy gasoline. If the cost for each gallon is \$1.20, how many gallons can he put in his car. NEW PROBLEM -120 30 1 0 5 -240 60 0 2 600 Steve can put 12.5 gallons of gas in his car