Answer:
As number of gallons of gas minus 9 leaves 3 gallons, denote g as number of gallons: g - 9 >=3.
Then g>= 12
Answer:
33/2
Step-by-step explanation:
6 1/2 ---> 13/2
10 ---> 20/2
13/2 + 20/2 =
33/2
She can find out answer by dividing 21÷3 and the answer is 7
She can make 7 bird house
$1.80, because 3/4 is half of 1.5, and $1.80 is one half of $3.60.