E When a box contains 50 identical balls, it has a mass of 13.9 kg. The empty box has a mass of 400 g. Find the mass of each ball in kilograms

Ответ:

••Answer: EACH BALL weighs 270g

Step-by-step explanation:

weight of balls=13.9-0.4

=13.5

weight of ball= 13.5÷50

=0.27kg

=270g

Объяснение: