In an AP the 8th Term is twice the 3rd Term and the 12th Term is 112. What is the sum of the first twenty terms?

Q: A theater has 26 rows of seating. The first row has 18 seats. The second has 20 seats. The third has…

A: Given: A theater has 26 rows of seating. 1st row =18 seats 2nd row=20 seats 3rd row=22 seats and so…

Q: The sum of some three-digit number and 10 times the sum of its digit is 496. Find that number.

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Q: In an AP the 14 term is 4 times the 4 term and the 10 term is 112.What is the sum of the 20 term

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Q: 7th term is 2; 19th term is 26

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Q: Find the sum of: a 25+5+1++

A: We have to calculate the sum:  25 + 5 + 1 +1/5 + ... We can see that each succeeding term is…

Q: A Science major student earned 6 units after enrolling for a semester. Then, he took an academic…

A: Here we just need of simple division to find the answer.

Q: A grandmother is now 48 years older than her grandson. 14 years ago she was thirteen times as old as…

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Q: During Rachel’s birthday party, Rachel thinks about the ages of her parents and herself. Rachel…

A: The objective of the question is to find the ages of Rachel, her mom, and her dad using the given…

Q: If the 8th term of an AP is 31 and the 15th term is 16 more than th 11th term ,find the AP

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Q: A skydiver falls 16 feet during the first second of a dive, 48 feet during the second second, 80…

A: The sequence made by the fall of the skydiver in every second - 16, 48, 80, 112 .............(upto…

Q: If the 8th term of AP is 31 and the 15th term is 16 more than the 11th term ,find the AP.

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Q: Please fix your sum 17+7 =24

A: Total number of frequency = 60 Frequency of more than 2.5 is 17 + 7 = 24

Q: Nathan, jonah,curtis,and max are all a year apart in age with Nathan being the youngest. The sum of…

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Q: Exactly 7 cookies fit on each tray for baking four - sevenths of a tray is used to make a small box…

A: Given, No. Of cookies fit in each tray= 7 four - sevenths of a tray is used to make a small box of…

Q: Devaughn is 11 years younger than Sy dney. The sum of their ages is 65. What is Sy dney's age?

A: Given,            Devaughn is 11 years younger than Sydney. The sum of their ages is 65.To find :…

Q: In a GP the 6 term is 16 and the 3 term is 128. Find the sum of the first 10 term and the sum to…

A: In a GP the 6 term is 16 and the 3 term is 128. To Determine the sum of the first 10 term and the…

Q: A man put some money into a piggy bank once a month. Each month, he put 300 pesos more into the…

A: We have to calculate Money he put in the piggy bank in the first month

Q: On Monday Paco goes to a running track to traln. in 120 seconds. Each lap Paco runs takes him 10…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…