Khalil is considering buying a water filter and a reusablewater bottle rather than buying bottled water. Will doing so saveher money?
First, determine what information you need to answer thisquestion, then click here to display that info (along with otherinfo).
How much water does Khalil drink in a day? He normally drinks5 bottles a day, each 16.9 ounces.
How much does a bottle of water cost? He buys 24-packs of 16.9ounce bottles for $2.89.
How much does a reusable water bottle cost? About $10.
How long does a reusable water bottle last? Basically forever(or until you lose it).
How much does a water filter cost? How much water will theyfilter?
A faucet-mounted filter costs about $28 and includes onefilter cartridge. Refill filters cost about $33 for a 3-pack. Thebox says each filter will filter up to 100 gallons (378liters)
A water filter pitcher costs about $22 and includes one filtercartridge. Refill filters cost about $20 for a 4-pack. The box sayseach filter lasts for 40 gallons or 4 months
An under-sink filter costs $130 and includes one filtercartridge. Refill filters cost about $60 each. The filter lasts for500 gallons.
Which option is cheapest over one year (365 days)?
The cheapest option saves him ___ over a year.