It is 1.3 because there is a remainder
I think the answer is 59.29，24.2×245%=24.2
Find the vertex form.
y=(x+2)^2−11
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this can be solve by 3 variable equation
let x be the money of luke
y money of rachel
z money of daniel
first equation
x = y + 21
second equation
x = z + 48
third equation
x + y + z = 168
solving simultaneously
x =79
y = 58
z = 31
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The sum of the geometric series is 195
