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

Mathematics

Anabella Whitney

10 April, 03:41

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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Haylie Gibson · 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