What is the main advantage of using money instead of bartering? a. many more people today use money than bartering to get goods and ervices. b. not all countries use the same types of money in their economies c. money comes in different values to ay for goods and services d. people do not have to have a good or a service that another person wants

D. people do not have to have a good or service that another person wants

Reason: Money gives people a universal unit of value. For example, If I needed a toothbrush and I have a pair of scissors, In order for me to get a tooth brush is to trade my scissors with someone else who has a tooth brush and wants scissors. As you can see, this isn't practical. If I had money, I will only need to find someone who has a tooth brush.

lo ; )

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.