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Alex73 [517]
3 years ago
5

How do I start off these problems?

Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0
First of all you have to make them equal to each other. What I mean is the following
3x+20=2x+40
Then you should just solve for x
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Hey could someone helpp me pls
Minchanka [31]

Answer: $5.54

Step-by-step explanation: 63 divided by 100 is 0.63, 0.63 x 8.8 is 5.544 and 5.544 rounded to the nearest cent is $5.54

5 0
2 years ago
A medium-sized has 70 calories. this is 10 calories less than 1/4 of the calories in an Old Westie Chocolate Bar. We need to fin
OLEGan [10]

Answer:

320 calories

Step-by-step explanation:

1/4 would be 80 calories because 70 is ten less so it would be 80 = 1/4 so 80 times 4 would be 320 calories

5 0
3 years ago
87 x 230 + 6,754 - 1,093 =
JulsSmile [24]

Answer:

25,671

  1. multiply
  2. add
  3. subtract

I hope this helps

5 0
3 years ago
Read 2 more answers
Pls help for number 6
Vlad1618 [11]
A: 45x + 30y = 1350
Since we don’t know how many adults and children are in the group, we use x and y

b: x-intercept= 30 y-intercept=45
To find the x-intercept you need to isolate the variable. 45x/45 = x
Then you do the same thing to the other side. 1350/45 = 30
So x=30
Same thing with the y-intercept.
30y/30 = y 1350/30 = 45
y=45 (Not really sure what it means by “what they represent” but I thinks it’s that there are 30 adult tickets and 45 children tickets )

c: so our points are (30,0) and (0,45) so you would graph that.
To find how many children tickets were bought if there were 20 adult tickets just look at the photo I put. I don’t know how to explain this.


Hope this helps

7 0
3 years ago
Students are running in a relay race. Each team will run a total of 3 miles. Each member of a team will run 1/8 of a mile. How m
Crazy boy [7]
3 / (1/8) = 3 × (8/1) = 24
There needs to be 24 students on a team.
7 0
2 years ago
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