7.3.3 finding the total

Lesson 7.1 , For use with pages 343-346 Write the fraction in simplest form. Write two fractions that are equivalent to the given fraction. 1. 13 52 2. 21 9

Lesson 7.1 , For use with pages 343-346 Write the fraction in simplest form. Write two fractions that are equivalent to the given fraction. 1. 13 52 ANSWER 1 4 2. 21 9 ANSWER 3 7’ 6 14

Finding the Total Also called the BASE

Essential Questions ,[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],50

Mentally solve these problems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],150 12 83 80 20

EXAMPLE 3 Finding a Base 24 is 0.8% of what number? x = 3000 25 x = 0.8 100 0.8x 25( 100) = 0.8x 3,000 = 0.8 0.8

[object Object],x = $12.75 2.55 x = 20 100 20x 2.55( 100) = 20x 255 = 20 20

Using a proportion ,[object Object],x = 20 15 x = 75 100 75x 15( 100) = 75x 1,500 = 75 75

[object Object],x = 225 81 x = 36 100 36x 81( 100) = 36x 8,100 = 36 36

[object Object],x = 700 35 x = 5 100 5x 35( 100) = 5x 3,500 = 5 5

Homework ,[object Object],[object Object],[object Object],[object Object]

7.3.3 finding the total

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7.3.3 finding the total