if someone wants to buy a bike that costs $140. the person has already saved $84. the person earns $7 each hour working as a lifeguard and saves all of it for the bike. How many more hours does the person need to work in order to have enough money to buy the bike?
if someone wants to buy a bike that costs $140. the person has already saved $84. the person earns $7 each hour working as a lifeguard and saves all of it for the bike. How many more hours does the person need to work in order to have enough money to buy the bike?
$140 - $84=$56 needed to buy the bike.
$56/$7 =8 hours needed to earn enough money to buy the bike.