Question

solve the problem please ​

Answer 1

Answer:

7.5kg

Step-by-step explanation:

78kg----------13kg

45kg----------x kg

As the weight is proportional

78/45=13/x

Therefore

x=45*13/78=7.5kg

Answer 2

Step-by-step explanation:

Here ,

weight1 on earth / weight 1 on earth = weight 2 on earth / weight 2 on moon

(this has a long explanation which is not required here)

78/13 = 45/x

6= 45/x

x = 45/6

= 7.5kg