Answer:
$648.
Step-by-step explanation:
$400+50% = $600
$600+8%=$648
Answer: 6 out of 14 or 3 out of 7
Step-by-step explanation: just add up all the ties and put polka dot ties out of the total and
Answer:
60
Step-by-step explanation:

Answer:
a=200;110;101andb=decreasing
Step-by-step explanation:
a.(100×10+1000)/10=200
(100×100+1000)/100=110
(100×1000+1000)/1000=101