6sweets cost 42p altogether how much do 8 sweets cost?

Assemble the proof by dragging tiles to the statements and reasons column

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Which number completes the inequality? 2/3 < _ < 7/9