Bethany has $3.10 in nickels and dimes. She has a total of 44 coins. What is the value of the nickels Bethany has? a. $0.90. b. $1.30. c. $1.80. d. $2.60
Let's x the number of dimes 44-x the number of nickels
0.10*x+0.05*(44-x)=3.10 ==>10x+5*(44-x)=310 ==>10x-5x=310-5*44 ==>5x=90 ==>x=18 There are 18 dimes and 44-18=26 nickels having a value of 26*$0.05=$1.30
