gosh, please guys, i need help here, I just cannot at all comprehend these sums...please help..

32 tables are stacked in a room, some are 3-legged and some are 4-legged. If there are 115 legs, how many tables are there in the room of each type?

juriemagic
Apr 23, 2018

#1

#3**+1 **

Hi Omi67,

Thank you..I see it now, I just CANNOT "see" the sum when I face it...frustrating!!..Thank you kindly!!

juriemagic
Apr 23, 2018

#2**+2 **

Let the 3-legged tables = T

Then the 4-legged tables =32 - T

3T + 4(32 - T) =115

3T + 128 - 4T =115

-T =115 - 128

-T =- 13 multiply both sides by -1

T = 13 - 3-legged tables

32 - 13 = 19 - 4-legged tables.

Guest Apr 23, 2018

#4**+2 **

guest,

thank you very much, it frustrates me that I cannot "see" the problem at first!..Thanx a lot!

juriemagic
Apr 23, 2018