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Kipish [7]
3 years ago
10

Don tracked the price of gas for several months. In January gas cost $2.65, in February the price had risen $0.56, in March decr

eased $0.23, in April risen $1.02, and in May decreased $0.48. By how many dollars has the price of gas changed from January to May?
Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0
Starting price is 2.65, increased by .56

2.65+.56=3.21

Price is 3.21, decreased by .23

3.21-.23=2.98

Price is 2.98, increased by 1.02

2.98+1.02= 4

Price is 4, decreased by .48

4-.48=3.52

Now find the difference from the starting price (January) from the end price (May)

3.52-2.65=.87

<u>The difference from gas prices is $.87</u>
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. In a nature conservatory, the ratio of butterflies to total number of flying insects is 36 to 100.
sashaice [31]
Well we already know that the 36:100 is correct because it is the starting amount, to check the 18:50 50 is half of the 100 insects so you would divide 36 by 2 which gives you half of 36 which is 18 so we can check off 18:50 as correct. Idk about the final one but the other two are correct.

5 0
3 years ago
Randall, Kira and Sean have 100 baseball cards altogether. Randall has twice as many as Kira and 10 more than Sean. How many bas
TEA [102]

Kira has 22 cards, Randall has 44 cards, and Sean has 34 cards

<u>Solution:</u>

Given that, Randall, Kira and Sean have 100 baseball cards altogether.

Randall has twice as many as Kira and 10 more than Sean.  

We have to find how many baseball cards does each person have?

Now, let the number of cards with Kira be "n", then number of cards with Randall will be "2n"

As Randall has "2n" cards, Sean will have 2n – 10

Now, total cards = 100  

<em>Randall cards + Kira cards + Sean cards = 100  </em>

2n + n + 2n – 10 = 100  

5n = 100 + 10  

5n = 110  

n = 22

So, kira has 22 cards, then, randall will have 2(22) = 44 cards and cards with sean = 44 – 10 = 34 cards.

Hence, kira has 22 cards, randall has 44 cards, and sean has 34 cards.

8 0
3 years ago
People were asked how many children are in their family. The results are shown below. How many people were surveyed?
Lorico [155]

Answer:

19 people were surveyed

Step-by-step explanation:

0 children = 3

1 child = 4

2 children = 5

3 children = 5

4 children = 2

3 + 4 = 7 + 10 = 17 + 2 = 19

5 0
2 years ago
Evaluate the expression, using the given value of the variable. z ÷ 3 – 5z + 4(z – 2) when z = 12 A. –16 B. –96 C. –14 D. –98
Tanzania [10]
12 ÷ 3 - 5(12) + 4(12 - 2)
= 4 - 60 + 4(10)
= -56 +40
= -16
6 0
3 years ago
Read 2 more answers
Please help i cannot get it ​
Lerok [7]
Pi symbol raised to the 3 times x raised to the 4
7 0
2 years ago
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