The portions of a house that need to be heated can be modeled by one rectangular prism with a length of 45 feet, a width of 20 f
1 answer:
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Answer:
1st option
Step-by-step explanation:
4 ÷ 2
( change mixed numbers into improper fractions )
= ÷
To perform the division
leave 1st fraction, change ÷ to × , turn 2nd fraction ' upside down'
= ×