Answer:
Assume as book to be x and pen to be y.
3x+2y=395 equation 1
2x+5y=355 equation 2
Make any variable either x or y to be equal.
3x*2+2y*2=395*2
2x*3+5y*3=355*3
Here, I am making x as same so I cross multiplied
6x+4y=790 equation 3
6x+15y=1065 equation 4
Put minus sign in any one of the equation 3 or equation 4 in order to cancel out x.
6x+4y=790
-6x-15y= -1065
0 - 11y= - 275
y= - 275/ - 11
y= 25
As we got y, we can put the value of y in equation 1 or equation 2.
3x+2y=395
3x+2*(25)=395
3x+50=395
3x=395-50
3x=345
x=345/3
x=115
As we assumed the book to x and pen to be y
price of book = Rs. 115
price of pen= Rs. 25
Answer:
90°
Step-by-step explanation:
right angle - 90°
.....
Answer: is in the picture
Answer:
C
Step-by-step explanation:
because it's C
Answer:
umm well that's would mean that all 3 triangles are the exact same bc if triangle abc is congruent to triangle xyz and triangle xyz is congruent to triangle jkl so anything that's says other size would have to be the answer
