Answer:
B 1 1/7
Step-by-step explanation:
- 9 2/7 - ( -10 3/7)
We know subtracting a negative is like adding
- 9 2/7 +10 3/7
10 3/7 - 9 2/7
Putting this vertical
10 3/7
-9 2/7
-----------------
1 1/7
the correct answer is D
all real numbers less than or equal to –3
Look at the y-values that the graph shows. There are none greater than -3. Any value of -3 or less is possible.
x= 15/7
$725
3/4 of 20 = 15 necklaces
15 x 40 = 600
The rest:
5 x 25 = 125
125 + 600
= 725