Problem 1: Mang ambo is selling face shields his small sari sari store. On the 1st day he sold 6 face shields, 10 on the 2nd day, and 14 on the 3rd day. If the pattern continues, how many face shields will he sell on the 30th day?
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Problem 2: The local government of San mateo, Rizal is planning to distribute goods for those who were victims of the flood brought by Typhoon Ulysses in Baranggay Maly. They were able to distribute 15 goods on the 1st day, 19 on the 2nd day, and 23 on the 3rd day. How many goods will they be able to distribute on the 21st day?
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Problem 2: The local government of San mateo, Rizal is planning to distribute goods for those who were victims of the flood brought by Typhoon Ulysses in Baranggay Maly. They were able to distribute 15 goods on the 1st day, 19 on the 2nd day, and 23 on the 3rd day. How many goods will they be able to distribute on the 21st day?
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Answer:
1.
Given:
1st day = 6
2nd day = 10
3rd day = 14
Using Arithmetic Sequence:
a1 = 6
a2 = 10
a3 = 14
Solution:
• Solve for the common difference
Solve for number of Faceshield sold in 30th day which is represented by a30.
Therefore Mang Ambo sold 122 Faceshield in 30th day .
2.
Given:
1st day = 15 goods
2nd day = 19 goods
3rd day = 23 goods
By using Arithmetic Sequence :
a1 = 15
a2 = 19
a3 = 23
•Solve for the common difference
•Solve for number of good that will be distributed on the 21st day which represented by a21.
Therefore the local government of San Mateo will be able to distribute 95 goods on the 21st day.