Grade 8Algebra
Four numbers are given. The first three numbers are terms of a geometric sequence and the last three numbers are terms of an arithmetic sequence. The sum of the first and the last number is 21 and the sum of the middle two numbers is 18. Find those numbers?
Four numbers are given. The first three numbers are terms of a geometric sequence and the last three numbers are terms of an arithmetic sequence. The sum of the first and the last number is 21 and the sum of the middle two numbers is 18. Find those numbers?
