You have to know the original amount and multiply it by 6/7.
Answer:
21 units
Step-by-step explanation:
7 units in 5 hours means 14 units in 10 hours which means 21 units in 15 hours.
5x3=15
7x3=21
In interval notation<span>, you write this </span>solution<span> as (–2, 3]. not sure </span>
Answer is 1 year 1 month and 5 days