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Mariulka [41]
3 years ago
13

Raeana is twice as old as Madeline, and Laura is 10 years older than Raena. If Laura is 50 years old, how old is Madeline? Defin

e your variables.
Mathematics
1 answer:
laiz [17]3 years ago
7 0

Answer: Madeline is 20 yrs old

Step-by-step explanation:

If Laura is 50 and she is 10 years older than Raena then Raena is 40 that would then make Madeline 20 years old.

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maria [59]

Answer:

price = 4.1

cost = 12.3

Step-by-step explanation:

price = 0.8+1.2+1.5+0.6 = p4.1

cost = 2.40+3.60+4.50+1.80 = $12.3

3 0
2 years ago
when the driver is in the empty truck, the mass is 2948.35 kilogram. the mass of 1 box of paper is 22.5 kilograms. the driver de
marishachu [46]

Answer:

  0 boxes minimum

Step-by-step explanation:

The mass of the truck and paper must satisfy ...

  22.5b + 2948.35 ≤ 4700 . . . . total truck mass cannot exceed bridge limits

  22.5b ≤ 1751.65

  b ≤ 77.85

The driver can take a minimum of 0 boxes and a maximum of 77 boxes of paper over the bridge.

_____

The question asks for the <em>minimum</em>. We usually expect such a question to ask for the <em>maximum</em>.

7 0
3 years ago
-6-7(c+10)<br><br> A. 64-7c<br> B. -76-7C<br> C. 4-13C<br> D. -16-13c<br><br> Help?
Maurinko [17]

Answer:

B. -76-7C

Step-by-step explanation:

-6-7(c+10)

Distribute the 7

-6-7c-70

Combine like terms

-7c-76

6 0
3 years ago
There are 6 showings of a film about Van Gogh at the art museum. A total of 459 people saw the film. The same number of people w
Strike441 [17]

Answer:

548

Step-by-step explanation:

its obvious

8 0
3 years ago
What is the solution to this system of equations? 4x + 5y = 7 3x – 2y = –12
Varvara68 [4.7K]

The answer is (-2,3)

hope you have a great day ;)

5 0
3 years ago
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