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IrinaVladis [17]
3 years ago
13

two friends spent ​$55 at the mall. The first friend spent less than the second friend. The difference between the amount each f

riend spent was ​$15. to find the amount each friend​ spent, solve a system of equations using the addition method. What is the next step after writing the system of​ equations? Find the amount each friend spent.​
Mathematics
1 answer:
Nutka1998 [239]3 years ago
3 0

Answer: first 20 second 35

Step-by-step explanation:

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the summer camps had a field trip from the campus to fragrance hill. they traveled at an average speed of 65km/h in the first tw
sergejj [24]

Answer:

I took them a total of 5 hours

Step-by-step explanation:

First you multiply 65 by 2 because of the first two hours

Then you subtract 130 out of 364 to get 234, those were the first two hours

The next hours you simply divide 234/78, which is 3

3 + 2 = 5 hours

4 0
3 years ago
Cathy did a survey in four bird parks and wrote the following observations: park p number of green birds 18 total number of bird
Nutka1998 [239]
Park p : 
18/82 = 0.219 = 21.9% green birds

park q :
39/88 = 0.443 = 44.3% green birds

park r :
38/64 = 0.593 = 59.3% green birds

park service :
22/50 = 0.44 = 44%

park with greatest percentage of green birds is park r <==
3 0
3 years ago
Read 2 more answers
Robyn saves $204 and spends $32.50 on books. She wants to purchase more books from a sale where they cost $8.15 each.
Oksi-84 [34.3K]

Answer: umm I think the best estimate would be$37.38

Step-by-step explanation:

4 0
2 years ago
Erin cooked 5
frutty [35]

Answer:

Addition

Step-by-step explanation:

I'm not sure if the numbers are tog or not

8 0
3 years ago
Help with my homework pls<br> Solve the compound inequality y + 7 ≥ –1 and y∕4 + 3 ≤ 5.
Marianna [84]

Answer:

  -8 ≤ y ≤ 8

Step-by-step explanation:

Subtract 7 from the first one:

  y ≥ -8

Subtract 3 from the second one, then multiply by 4.

  y/4 ≤ 2

  y ≤ 8

Now, you can write these as a compound inequality:

  -8 ≤ y ≤ 8

_____

<em>Additional comment</em>

You basically solve these the same way you would an equation. The only difference is that multiplying or dividing by a negative number will reverse the inequality symbol:

  2 > 1

  -2 < -1 . . . . . multiplied above by -1.

8 0
2 years ago
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