2) 4:(-1/2)
To solve this proportion, multiply 4 by the reciprocal of -1/2:
4 * (-2/1) = -8
Therefore, the solution is -8.
4) (-4/2/3):2/9
To solve this expression, first simplify the division of fractions:
(-4/2/3) ÷ (2/9)= (-4/2 3) ÷ 2= (-2 3) ÷ 2= -6 ÷ 2= -3
Therefore, the solution is -3.
2) 4:(-1/2)
To solve this proportion, multiply 4 by the reciprocal of -1/2:
4 * (-2/1) = -8
Therefore, the solution is -8.
4) (-4/2/3):2/9
To solve this expression, first simplify the division of fractions:
(-4/2/3) ÷ (2/9)
= (-4/2 3) ÷ 2
= (-2 3) ÷ 2
= -6 ÷ 2
= -3
Therefore, the solution is -3.