3 years ago

Find the value of x. 13,15,17,x,20,21; The median is 18.

Mathematics

1 answer:

dimaraw [331]3 years ago

4 0

Answer:

Step-by-step explanation:

13 15 17 x 20 21

Cross out all outer numbers

We are left with 17 and x

With double medians, you add those two together and then divide them by two.

With the median (total) being 18, we will first add 17+x then divide Y/2 = 18

The value of x is 1

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