Question

Q. There are 160 children in the Science club in a school. During an activity of the
Science club, it was found that the four-fifth of the student were present. Find out how many were absent?

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Answer 1

Answer:

32 Children were absent

Step-by-step explanation:

GIVEN

Total Children = 160

Present = 4/5

___________________________

TO FIND

How many were absent

___________________________

Let's find the percent of 4/5

Percent = 4/5 × 100

Percent = 0.8 × 100

Percent = 80

Percent = 80

80% of Children was present

___________________________

Let's find the number of Children present and number of Children absent

Present Children

Percent = ( Part Value / Total Value ) × 100

Part Value = ( Percent / 100 ) × Total Value

Part Value = 80 / 100 × 160

Part Value = 0.8 × 160

Part Value = 128

Present Children = 128

Absent Children = Total Children - Present Children

Absent Children = 160 - 128

Absent Children = 32

32 Children were absent

Answer 2

Gɪᴠᴇɴ :-

Tʜᴇʀᴇ ᴀʀᴇ 160 ᴄʜɪʟᴅʀᴇɴ ɪɴ ᴛʜᴇ Sᴄɪᴇɴᴄᴇ ᴄʟᴜʙ ɪɴ ᴀ sᴄʜᴏᴏʟ. Dᴜʀɪɴɢ ᴀɴ ᴀᴄᴛɪᴠɪᴛʏ ᴏғ ᴛʜᴇ Sᴄɪᴇɴᴄᴇ ᴄʟᴜʙ, ɪᴛ ᴡᴀs ғᴏᴜɴᴅ ᴛʜᴀᴛ ᴛʜᴇ ғᴏᴜʀ-ғɪғᴛʜ ᴏғ ᴛʜᴇ sᴛᴜᴅᴇɴᴛ ᴡᴇʀᴇ ᴘʀᴇsᴇɴᴛ. Fɪɴᴅ ᴏᴜᴛ ʜᴏᴡ ᴍᴀɴʏ ᴡᴇʀᴇ ᴀʙsᴇɴᴛ?

Sᴏʟᴜᴛɪᴏɴ :-

$\frac{4}{5}$ᴡᴇʀᴇ ᴘʀᴇsᴇɴᴛ.

Iᴛ ɪᴍᴘʟɪᴇs ᴛʜᴀᴛ

$\frac{1}{5}$sᴛᴜᴅᴇɴᴛs ᴡᴇʀᴇ ᴀʙsᴇɴᴛ

Sᴏ. 1/5 * 160 = 32.

32 sᴛᴜᴅᴇɴᴛs ᴡᴇʀᴇ ᴀʙsᴇɴᴛ.

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