$1.80 per 6 water bottles. Multiply by 3 to get price for 18 bottles. 1.80x3= 5.40
4.20 per 6 candy bars. multiply by 3 to get price for 18 bars. 4.20x3 = 12.60
Add together to get total price:
12.60
+ 5.40
————
$18.00 Total
Hope it helps and plz give brainliest!!