Answer:
21
Step-by-step explanation:
think about it this way. if the first group takes 17 hours, and the second group takes 4 hours more than the first group, then how long does the second group take?
Tom is incorrect
He keeps getting the same number of 1:6 on each roll.
The order of rotational symmetry of a kite is 1
Answer:
0.7% off
Step-by-step explanation:

9.67 × y = 9.6 × 100
9.67y = 960
9.67y ÷ 9.67 = 960 ÷ 9.67

y = 99.2
100% - 99.2% = 0.8%