Question

Yuri solved the equation below incorrectly. Explain the step where he went wrong.

b over fifteen minus one equals twenty-nine

Step 1: b over fifteen minus one plus one equals twenty-nine plus one
Step 2: b over fifteen equals thirty
Step 3: b over fifteen divided by fifteen equals thirty divided by fifteen
Step 4: b equals two

Answer 1

@ganeshie8

Answer 2

@Er.Mohd.AMIR

Answer 3

(b/15) -1 =29
eq is this now add 1 on both side

Answer 4

Okay But which step did you mess up on and why can you help me find that out :D

Answer 5

(b/15)=29+1
(b/15)=30

Answer 6

ok

Answer 7

Is the step he mess up on Step 3 ?

Answer 8

multiply by 15 on both sides
(b/15) *15=30*15

Answer 9

b=30*15

Answer 10

b=450

Answer 11

ok

Answer 12

so in which step he does goes wrong?

Answer 13

Step 3 ?

Answer 14

yes

Answer 15

Okay! But i dont understand what i would write for my answer?

Answer 16

Can you tell me what to Write ?

Answer 17

he not divide at step 3
but multiply in that step
makes ans correct

Answer 18

So instead of dividing he should of Multiplied ?

Answer 19

yes
for removing 15 from denominator from b/15

Answer 20

Okay thx can i ask you another question ?

Answer 21

ok

Answer 22

Okay
Question is : Which measures of central tendency are most appropriate for the data set? Why?

zero, four, one, three, four, two, one, zero, two, three, and fifteen.

Answer 23

i have 10 min only here please quickly

Answer 24

You can just give me the Answer if that is better XD

Answer 25

ok

Answer 26

This is another pic of the question if you dont understand XD

Answer 27

there are mainly 3 central tendency mean ,median ,mode

Answer 28

ok

Answer 29

SO what is my answer ?

Answer 30

i thick mean is better than other two

Answer 31

So then what do i write for my answer and why ?

Answer 32

mean =sum of all data/ number of data
=0+0+1+1+2+2+3+3+4+4+15/11
=35/11

Answer 33

ok

Answer 34

=3.18

Answer 35

ok

Answer 36

which is more correct since median is middle term which is 2 (written in ascending order 2 in the middle)

Answer 37

Mode or median

Answer 38

and mode is most frequent term which is not available

Answer 39

so is it median ?

Answer 40

so ans is mean is more appropriate for given data

Answer 41

ok thx