Answer:
252
Step-by-step explanation:
AoPs
3/4
The zero at the end of the number is not important, so you are left with 0.75
Basically, you can think of it as 75 is three-fourths of 100, so the fraction would be 3/4. (and 3/4 is completely simplified)
18 1/8
Just simple fraction addition.
17 1/4+ 7/8
Make common denominator
17 2/8+7/8
17 9/8 which is 18 1/8
to find Y
-4x + 11y = 15
x - 2y = 0
.
equal= -3x + 9y= 15
since x=2y
-3(2y) + 9y = 15
-6y + 9y =15
3y = 15
y = 15/ 3
y = 5
to find x
using x=2y
since
y=5
,therefore
x= 2(5)
x= 10
