Problema Solution
betty has 3 times as many stamps as amy. calvin has half as many stamps as betty. they have 143 stamps in total. how many stamps does betty have than calvin?
Answer provided by our tutors
Betty: 3x
Amy: x
Calvin: 1.5x
So
3x+x+1.5x = 143
x=26
So Betty has 78 stamps, Amy has 26 stamps and Calvin has 39 stamps