Evaluate: 67.1-(-38.2)
2 answers:
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Answer:
Listed below
Step-by-step explanation:
Shelly's problem:
Part I) On the third week she had 400$ on her account. This can easily be analyzed from the table of Shelly's account balance.
Part II) She deposits 60$ every week. We know that on day 0 Shellly had 220$. If after a week she has 280$ on her account, then that means that she earned 60$. The same is earned after every week of work.
Part III)
A. W = weeks worked
M= money earned.
B. .
We know that she had 220$ on her account since day 0. Then she adds 60$ per week (W). The total of her account is represented by M, and the weeks are represented by W.
Part IV) We sustitute the W with a 7 that represents the number of weeks she worked and we get:
4) In this problem, we know that both CD's and CD player cost in total 96$ (from the CD's) + 144$ (from the CD player, that is 48$ more expensive than the CD's).
96$+144$=240$
Part I)
A. C = CD player
B. C= 96 + 144
Part II) C = 240$. we know that both CD's and CD player cost in total 96$ (from the CD's) + 144$ (from the CD player, that is 48$ more expensive than the CD's).
5)
Part I)
A.
C= calories
P= potassium
B.
The amount of potassium is the result between the addition of the half of 120 and 10.
Part II)
A.
C= carbohydrates
K=calories.
B.
The amount of carbohydrates can be calculated multiplying one third by 120 and then resting 5