Answer:
{ x,y} = {3,7}
Step-by-step explanation:
Solution :
{x,y} = {3,7}
The correct answer is B. 880
220%=2.2
2.2(400)=880
63.4
180
2 times 30 equals 60 which is an hour so 6 times 30 equals 180.
÷10=0.009.
Therefore, 0.09 is 10 times as much as 0.009.