Answer:
The problem does not work.
Step-by-step explanation:
The plane with speed of 31 mph will cover 640 miles in 
hours.
Now, it burns 5 gallons of gas every 3 minutes i.e. 0.05 hours.
So, it will burn in 20.64 hours 
gallons.
Now, the helicopter with speed of 45 mph will cover 640 miles in 
hours.
Now, it burns 7 gallons of gas every 5 minutes i.e. 0.083 hours.
So, it will burn in 14.22 hours 
gallons.
But both of them starts with only 80 gallons of fuel.
Therefore, the problem does not work. (Answer)
What do you need help with?
Answer:
Hi, so one batch of the sugar cookie recipe calls for 2 1/3 cups of sugar. SO to make 2 1/2 batches you would have to first multiply 2 1/3 times 2, to get 4 2/3. then split 2 1/3 in half for the other half of the recipe. that would be 1 1/6. then add 1 1/6 plus 4 2/3 to get your answer of <u><em>6 cups of sugar.</em></u>
Step-by-step explanation:
Have a great day. please mark brainliest
I hope this helps you
square root of 9=3 rational number
square root of 16=4 rational number
square root of 25=5 rational number
square root of 12=2 square root of 3 irrational
square root of 20=2 square root of 5 irrational
