if you divide a number into 3 equal groups and then divide each group in half, you end up with 13. write an equation to express the situation. then, determine what number you started with?

Question

Brittany Douglas

Mathematics

13 April, 03:05

if you divide a number into 3 equal groups and then divide each group in half, you end up with 13. write an equation to express the situation. then, determine what number you started with?

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Answers (1)

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Bronson Pierce · Answer 1

x = 26

Step-by-step explanation:

Let x b the number

then x/3 (we divide x in three equal gups)

And then each group is divide in half

You end up in 13 s we have

x/3 + X/3/2 = 13

x / 3 + x/6 = 13

(2x + x) / 6 = 13

2x + x = 78

3x = 78

x = 78/3

x = 26