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PilotLPTM [1.2K]
3 years ago
12

Someone Help please!

Mathematics
1 answer:
salantis [7]3 years ago
8 0
I think ur answer would be C.
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Martha compra 2 kilos de tomate y 1 kilo de cebolla pagando S/ 8,40. Si la siguiente semana compra 1 kilo de tomate y 2 kilos de
Rashid [163]

Responder:

2,40

Explicación paso a paso:

Dado que:

Dejar :

Tomate = t

Cebolla = n

(2 kilo de t) + (1 kilo de n) = 8.40

(1 kilo de t) + (2 kilo de n) = 7.80

2t + n = 8,40 - - (1)

t + 2n = 7,80 - - (2)

De (2);

t = 7,80 - 2n

Ponga t = 7.80 - 2n en (1)

2 (7,80 - 2n) + n = 8,40

15,6 - 4n + n = 8,40

15,6 - 3n = 8,40

-3n = 8,40 - 15,6

-3n = - 7,2

n = 2,4

t = 7,80 - 2 (2,40)

t = 7,80 - 4,80

t = 3

Por lo tanto, el costo de 1 kilo de cebolla es 2,40

8 0
3 years ago
Which expression is equivalent to<br> -4 (2m - 3 ) - (m+2)<br>-9m+10<br>9m+10<br>7m+10<br>-7m+10​
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Answer:

4 - 2m + 3

Step-by-step explanation:

when you distribute the negative sign you will get this

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