When a jug is half-filled with marbles, it weighs 2.6 kg. if the jug weighs 4 kg when full, find the weight of the empty jug. explain and answer ! (btw, the answer isn't 0.6.)

1.2 kg

Step-by-step explanation:

filling the jug up half way adds 1.4 kg to the weight.

2 x 1.4 - 2.8 kg of marbles when full

4-2.8 = 1.2 kg

1.2kg

Step-by-step explanation:

$119.20

step-by-step explanation:

$372.50 - 60% off is $149. $149-20% off is $119.20

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.