11) Jenny works in an office. She thinks that she spends 30 minutes in meetings for every 3 hours she spends working at her desk.
One week she spends 3 hours and 15 minutes in meetings.
Using Jenny's timings above, work out how many hours she would have spent
working at her desk.

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.