The sum of ten positive odd numbers is 20. Some numbers may repeat, find the largest number that is used in this sum. (If possible please show me the step-by-step process, it would really help me)

1+1+1+1+1+1+1+1+3+9

= 20

Largest number used is 9

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11

Step-by-step explanation:

Get the biggest number by making the others small.

the smallest odd number is 1, so if we get 9 ones, that equals to 9. 11+9 = 20. largest number used is 11.

answer: the resulting cross section is a rectangle. solution: a plane parallel to the base of a triangular prism will intersect a cross section that is the same shape as its bases. so the cross section is a triangle.

step-by-step explanation: