A number is multiplied by 4. That result is added to 12. The final number is 40 , what is the oringial number
2 answers:
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Answer:
31 square units
Step-by-step explanation:
See the picture below.
Each full or almost full square was counted first. There are 24 of them.
Then parts of squares of counted together to add to 1 square. They are color coded in the figure below. After adding them all up, the total was 31.
