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AMO 2027 Grades 6-7 SET 21 - Self-study Question 10

AMO · AMO 2027 Grades 6-7 SET 21 - Self-study

Question 10

It is given that

$A=1.01\times1.19+1.02\times1.18+1.03\times1.17+\cdots+1.10\times1.10.$

Find the value of A. (Round off to the nearest whole number)

**Editorial note for this self-study exercise:** There are ten products: the first factor runs from 1.01 to 1.10 in steps of 0.01, while the second runs from 1.19 down to 1.10. Enter the rounded whole number.