Answer:
36 minutes
Step-by-step explanation:
1 hr = 60 minutes
grandson scarf = 60 minutes + 57 minutes = 117
granddaughter = 60 minutes + 21 minutes = 81
117 - 81 = 36
either 37, 17, 20 or 24, 26, 51
Either graph the points, or you can divide x by y for each set of points and if your answers are the same, then it is linear.
Hope it helps!
Answer:
0.131
Step-by-step explanation:
(13C4×10C6)/26C10
= 975/7429
= 0.131 (3 sf)