急：
1.Mike has 2.05 dollars in dimes and
quarters.If he has four fewer dimes than quarters,how much money does he have
in dimes?答案是3dimes,so he has 30 cents in dimes.
2.05 dollars in dimes and quarters是什么意思?最后的答案30cents in
2.Mr.Jones sold two house for 80000 dollars
each.One house was sold at a 20 percent loss and the other at a 20 percent
gain.What is the gain minus the loss?