Erin is writing a science fiction story. She has invented a money system for her planet that uses four coins that she drew and named like this: ()=T, !=C, ✓=H, []=R.
She has challenged her classmates to determine the relationships among the values of the coins from the following clues:
a.Use Clue 1 above to find how many !'s equal 1 ()
b.Use Clue 2 to find how many []'s equal 1 ✓
c.Use Clue 3 and your answers to parts a and b to find how many ()'s equal 1 []
d.Erin told her classmates that 1 ! is worth 25¢ in U.S. money. What is the value in U.S. money of each of the following? 1 (), 1 [], 1 ✓
