classicman006
classicman006
26-05-2018
Mathematics
contestada
someone help me with the answer please
Respuesta :
prasanna2
prasanna2
26-05-2018
given,
2pen and 5 pencil cost 120
3pen and 2 pencil cost 114
let pen be X and pencil be Y
2x+5y=120 ......(1)
3x+2y=114 ........(2)
solving 1 and 2 , we can get the value of pen and pencil.
x=30
Y=12
Answer Link
chaldean358
chaldean358
26-05-2018
X equals 30 Y equals 12
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
writ a letter to your uncle for the birthday present he gave you on your birthday
What is the value of x?
A driver can stop his car from the red signal at a distance of of 20 m when he drives at 36 kmph and 41.25 m when he drives at 54 kmph find his reaction time
Which complete bipartite graphs Km, are trees? (b) Let T be a full 8-ary tree with 201 vertices. (ii) How many internal vertices does T have? (iii) How many lea
28lbs is what % of 58
Which statement is not correct about the antibodies? a. They are protein molecules that bind to the specific antigens b. They are produced by memory B cells c.
one characteristic of living things is their ability to change and adapt over time true or false
For two functions, a(x) and b(x), a statement is made that a(x) = b(x) at x = 2. What is definitely true about x = 2? Both a(x) and (x) have a maximum or minimu
PTH promotes the formation of which hormone A. thyroid hormones B. calcitonin C. calcitriol D. vitamin D
PLEASE HELP ME ON THIS, I WILL APPRECIATE IT SO MUCH!!!! TYSM
