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Peta # 1 in math

Peta # 1 in math. (Word Problems, Comics and Presentation) Presented To: Mr. Juliano Parena Jr. Presented By: Micco Allen Baybado ; Alyssa Balisi Roi Calimpon ; Carm Altares. Problem # 1.

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Peta # 1 in math

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  1. Peta # 1 in math (Word Problems, Comics and Presentation) Presented To: Mr. JulianoParena Jr. Presented By: Micco Allen Baybado; Alyssa Balisi RoiCalimpon; CarmAltares

  2. Problem # 1 • A steel beam, 715 cm long, is cut into two pieces so that one piece is 80 cm longer than the other. Find the length of each piece .

  3. Solution # 1

  4. Solution # 1

  5. Answer N = 317.5 cm. N + 80 = 397.5 cm.

  6. Problem # 2 • A solution that is 10% anti-freeze is mixed w/ a 20% anti-freeze to produce 50L of solution that is 15.6% anti-freeze. How many litres of the 10% solution are used? • The total amount of solutions is 50 L

  7. Solution #2 • The anti-freeze in the mixture comes from the anti-freeze in each solution. 

  8. Solution #2.1

  9. solution # 2.2 • 0.10 s + (10 – 0.20s) = 7.8 • -0.10s + 10 = 7.8 • -0.10s = -2.2 -0.10 -0.10 • s = 22 L • 50-s = 28 L Let’s Check it. 

  10. answer 22L of the 10% Solution is used to make the mixture

  11. Problem # 3 • Emanuel Josh has P300 in his wallet. He wants to ride on a roller coaster and to enter into the different boots at the Star City. If the roller coaster cost P60, what is the most he can spend on the different boots?

  12. Solution #3 • Solution: • 60 + x < 300 • 60 – 60 + x < 300 – 60 • x < 240 • Answer: P240

  13. answer To find the greatest amount of money Emanuel Josh can spend on the different boots Let x= the amount of money that he can spend on the different boots

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