The answer is 15 percent, usually. a really good tip is 20 and a lousy one is 10 or below
X-3=3
2x+9y=11
x=6
2x+9y=11
2x6+9y=11
y= -1/9
Answer:
900 centimetres
Step-by-step explanation:
there are 100 centimetres in a meter so i multiplied 9 x 100
i hoped i could help