Equation = 12 - -24 = ?
After keep, change, flip: 12 + 24 = ?
Answer = 36
When you estimate, you round each number, the add.
We round them to
700+620, which is 1320
So our non estimated answer is 1323
But our estimated answer is 1320
Its because 20 is doubling its self. Its using 100% of its number, While 40 is decreasing by 50%. Half of forty is 20. Half equals 50%.
Answer:
taking the square root of both sides of the equation
Step-by-step explanation:
I didnt do it sorry
