Answer:
Easy.The answer is 406kg.
Step-by-step explanation:
58kg×7=406kg
406kg
Mean = {Sum of Observation} ÷ {Total numbers of Observations}
here : Total numbers of Observations is 7 girls
and mean is 58kg
we can use the formula, 58= sum of observation/7
sum of observation, total weight = 406kg
Step-by-step explanation:Sorry but I don't think any of those answers are correct its impossible to solve that
3rd one
20,28, and 50 are possible length.