Question

If cat and rat weight is 10 kg, dog and rat weight is 20kg, dog and cat weight is 24 then what is the weight of dog cat and rat

Answer 1

ᴄᴀᴛ ᴀɴᴅ ʀᴀʙʙɪᴛ ᴡᴇɪɢʜᴛ ɪs ᴋɢ, ᴅᴏɢ ᴀɴᴅ ʀᴀʙʙɪᴛ ᴡᴇɪɢʜᴛ ɪs ᴋɢ, ᴄᴀᴛ & ᴅᴏɢ ᴡᴇɪɢʜᴛ ɪs ᴋɢ. ᴄᴀᴛ ʀᴀʙʙɪᴛ ᴅᴏɢ ᴡᴇɪɢʜᴛ ᴘᴜᴢᴢʟᴇ ᴡɪᴛʜ ᴀɴ ᴀɴsᴡᴇʀ?

ʟᴇᴛ ᴄᴀᴛ’s ᴡᴇɪɢʜᴛ=x

ᴅᴏɢ’s ᴡᴇɪɢʜᴛ=ʏ

ʀᴀʙʙɪᴛ’s ᴡᴇɪɢʜᴛ=ᴢ

ᴄᴀᴛ ᴀɴᴅ ʀᴀʙʙɪᴛ ᴡᴇɪɢʜᴛ ɪs ᴋɢ: x+ᴢ= ————-(ɪ)

ᴅᴏɢ ᴀɴᴅ ʀᴀʙʙɪᴛ ᴡᴇɪɢʜᴛ ɪs ᴋɢ: ʏ+ᴢ= ————-(ɪɪ)

ᴄᴀᴛ ᴀɴᴅ ᴅᴏɢ ᴡᴇɪɢʜᴛ ɪs ᴋɢ: x+ʏ= ——————(ɪɪɪ)

ɴᴏᴡ ғʀᴏᴍ (ɪ)

x+ᴢ= ɪᴍᴘʟɪᴇs ᴢ=-x

ᴘᴜᴛ ɪɴ (ɪɪ) ɪ.ᴇ., ʏ+ᴢ=

ʏᴏᴜ ɢᴇᴛ ʏ+-x=

ʜᴇɴᴄᴇ ʏ-x=–

ᴛʜᴇʀᴇғᴏʀᴇ ʏᴏᴜ ʜᴀᴠᴇ ʏ-x= ————(ɪᴠ)

ɴᴏᴡ ғʀᴏᴍ (ɪɪɪ) x+ʏ=

ɴᴏᴡ ᴡᴇ ʜᴀᴠᴇ ᴇǫᴜᴀᴛɪᴏɴs ᴀɴᴅ ᴠᴀʀɪᴀʙʟᴇs ᴀɴᴅ ʏᴏᴜ ᴄᴀɴ sᴏʟᴠᴇ ᴛʜᴇᴍ ᴜsɪɴɢ ᴀɴʏ ᴍᴇᴛʜᴏᴅ. ɪ ᴀᴍ ᴀɢᴀɪɴ ᴜsɪɴɢ sᴜʙsᴛɪᴛᴜᴛɪᴏɴ.

ғʀᴏᴍ (ɪᴠ) ᴡᴇ ʜᴀᴠᴇ ʏ=+x. ᴘᴜᴛ ᴛʜɪs ɪs (ɪɪɪ) ᴛᴏ ɢᴇᴛ

x++x=

x+=

x=–

x=

x=. sᴏ, ᴄᴀᴛ’s ᴡᴇɪɢʜᴛ= ᴋɢ

ᴘᴜᴛ ᴛʜɪs ɪɴ ʏ=+x ʏᴏᴜ ɢᴇᴛ

ʏ=+= ᴋɢ. sᴏ, ᴅᴏɢ’s ᴡᴇɪɢʜᴛ = ᴋɢ

ᴀɴᴅ ᴘᴜᴛᴛɪɴɢ x= ɪɴ ᴢ=-x, ʏᴏᴜ ɢᴇᴛ:

ᴢ=–= ᴋɢ. sᴏ, ʀᴀʙʙɪᴛ’s ᴡᴇɪɢʜᴛ= ᴋɢ

ᴛᴏᴛᴀʟ ᴡᴇɪɢʜᴛ: ++= ᴋɢ