PLZ HELP ME I WILL TRY GIVE BRAINIEST Pilar wanted to use estimation to solve a decimal addition problem. She correctly used estimation to rewrite the problem as 12 + 3 + 5 + 6. What could her original problem have been?
0 12.38 + 4.45 + 4.14 + 6.7
0 12.5 + 3.05 + 5.23 + 0.6
0 11.5011 + 3.6 + 5.17 + 5.7
0 11.75 + 3.299 + 5.31 + 6.27

11.75 + 3.299 + 5.31 + 6.27

Step-by-step explanation:

every decimal .5 and above gets rounded up, below .5 gets rounded down

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x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

step-by-step explanation:

formula

x = x1 + p/w(x2 - x1)

let the line segment ab with a(x1,y1) and b(x2,y2)

a point(x,y) divide ab in the ratio, 2: 3 the x coordinate can be written as

x = x1 + p/w(x2 - x1)

here p=2 and w = 2+3

therefore,

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

similarly y coordinate y = y1 + 2/5(y2 - y1)