1 pound of bananas= $0.54
2.6 pounds of bananas= 2.6×0.54
=$1.404
1 pound of grapes= $1.28
3.1 pounds of grapes= 3.1×1.28
=$3.968
total cost= 3.968+1.404
=$5.372
round of to 2 decimal points as money can only have a maximum of 2 decimal places. thus, it will be $5.37.