Answer:
x=1 y=1
Step-by-step explanation:
Let's use the elimination method.
3x+4y=7
2x-y = 1 (multiply both sides by 4)
8x-4y=4
3x+4y=7
(add both equations together)
11x=11
x=1
Plug x=1 into either of the equations
2(1) - y=1
2-y=1
2=1+y
y=1
Answer: 87.5
Step-by-step explanation: 1cm x 25cm = 87.5
Answer:
4
Step-by-step explanation:
10 * 40%
10 * 0.4 = 4
