How many gallons of 20% antifreeze should be mixed with 10 gallons of 92% antifreeze to obtain a 65% antifreeze mixture?
1 answer:
You might be interested in
Answer:E 83
Step-by-step explanation:
50% of the apartment in a certain building have windows and hardwood floors.
25% of the remaining 50% apartment without window have hardwood floors.
40% of the apartment do not have hardwood floors i.e. 60 % have hardwood floor
Therefore percent of the apartments with windows have hardwood floors is
=83%