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Masteriza [31]
3 years ago
8

A man bought a scooter for $100 and sold it for $120. He later bought it back for $140 and sold it again for $160. How much did

he make or lose as a scooter salesman? (NO LINKS WILL REPORT WITH OUT HESITATION)
Mathematics
1 answer:
ziro4ka [17]3 years ago
5 0

Answer:

Step-by-step explanation:

- 100

+ 120 = 20

-140 = -20

+160 = 20

so every time he sold it, he gained 20 and lost 20 every time he bought it back

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Need more to answer don’t get payed enough
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3 years ago
Six distinct integers are picked from the set {1, 2, 3,…, 10}. How many selections are there, in which the second smallest integ
Ksivusya [100]

Answer:

1680 ways

Step-by-step explanation:

Total number of integers = 10

Number of integers to be selected = 6

Second smallest integer must be 3. This means the smallest integer can be either 1 or 2. So, there are 2 ways to select the smallest integer and only 1 way to select the second smallest integer.

<u>2 ways</u>   <u>1 way</u>  <u>       </u>  <u>        </u>  <u>        </u>  <u>        </u>

Each of the line represent the digit in the integer.

After selecting the two digits, we have 4 places which can be filled by 7 integers. Number of ways to select 4 digits from 7 will be 7P4 = 840

Therefore, the total number of ways to form 6 distinct integers according to the given criteria will be = 1 x 2 x 840 = 1680 ways

Therefore, there are 1680 ways to pick six distinct integers.

6 0
3 years ago
Jerry is trying to earn $209 for some new video games. If he charges $47 to mow a lawn, how many lawns will he need to mow to ea
Helen [10]
At least 5. because 47x4=188 which isn’t enough money, and 47x5=235, which goes over but you have to have more money than less money
6 0
3 years ago
Can any one help me with this problem
Feliz [49]

Answer:

im so sorry but i havent learned this yet sorry

Step-by-step explanation:

3 0
3 years ago
Find SD if JD=30. Pls help meh.
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Answer:

SD=10

Step-by-step explanation:

S=the intersection of the medians

SD=JD/3

SD=30/3

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