Plz help Only answer if you know full thing (if not I will report you instantly) Yes they are both part of the same page...

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?