Answer:
17: 6:48
18: 9:45
19: 85 minutes or 1 hour and 25 minutes
20: 165 minutes or 2 hours and 45 minutes
Step-by-step explanation:
147 - 3 = 144 / 9 = 16
216 - 3 = 213 / 9 = 23.7
193 - 3 = 190 / 9 = 21.1
Lemon Sours are the only pack of sweets that have enough for equal amounts for each cousin, and three for Whittney.
Each cousin will get 16 sweets.
Hope this helps.
The angles of a triangle add to 180 degrees so the remaining angle must be 90°.
This triangle is half a square. It's one of the two tired triangles of trig, the other being half an equilateral triangle, 30°/60°/90°.