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20÷4+2•5

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Hi my sisters and brothers can tell me the answer because i don’t understand the question