Pauline earns $\$178.97$$178.97 in $11$11 hours. How much will she earn in $19$19 hours to the nearest cent?
A quad bike travels $3.4$3.4km in $17$17 minutes at a constant speed. How long would it take to travel $1.8$1.8km?
$3.1$3.1kg of pears cost $\$7.13$$7.13. How much would $1.5$1.5kg cost?
A boat can travel $35.75$35.75km on $16.25$16.25L of petrol. How much petrol will it need to go $34.32$34.32km?