Answer:
2n-3
Step-by-step explanation:
n represents the number of hours Darcy practices.
The number of hours Hannah practices each week is 3 hours less than twice the number of hours Darcy practices.
Twice the number of hours Darcy practices is 2n.
Hannah practices for : 2n-3
Hence, the expression that represents the number of hours Hannah practices is "2n-3".
Answer:
1
Step-by-step explanation:
X1=1
Y1=-2
X2=3
Y2=0
3 - 1/0 - (-2) = 2/2 = 1
Answer:
Start at 5 and move 8 units to the left
Step-by-step explanation:
5 -8
Start at 5 on the number line
We are subtracting 8
Move 8 units to the left
You will end of at -3
Step-by-step explanation:
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Answer:
An Old Westie chocolate bar contains 240 calories.
Step-by-step explanation:
If a medium sized apple has 70 calories and this is 10 calories less than 1/4 of an Old Westie chocolate bar, we must first find the difference between 70 and 10.
70 - 10 = 60
60 calories then is 1/4 of that of the chocolate bar, or, the chocolate bar is 4 times that of 60 calories
60 * 4 = 240
An Old Westie chocolate bar contains 240 calories.
