Answer:
The groups walking speed is
or 
Step-by-step explanation:
we know that
To find the speed divide the distance by the time
so

Convert to mixed number

First you'd subtract .58 from 2.23 to get the price of the notebook.
2.23 - .58 = 1.65
(2.23×2)+1.65= 6.11
Now subtract 6.11 from ten to figure out the change amount.
10 - 6.11 = 3.89
Answer:
4 3/8 yards.
Step-by-step explanation:
2 5/8 = (2*8 + 5)/8 = 21/8.
1 3/4 = (1*4 + 3) / 4 = 7/4.
21/ 8 + 7/4
= 21/8 + (7*2) / (4*2)
= 21/8 + 14/8
= 35/8
= 4 3/8.
The answer is 10
10-1=9
9*8=72