-4 + -3 = -7 Hope this helps!
Answer:
14 groups
Step-by-step explanation:
Given


Required
Determine the number of group in the week
To do this, we simply divide the duration by the number half day group.
This gives:


Convert week to days



Convert to multiplication



<em>Hence, there are 14 groups</em>
20 percent of 40 is 8. As a fraction that would be 8/1.
Hope this helps
Sine is also known as Opposite over hypotenuse.