Aiden6969696969
Aiden6969696969 Aiden6969696969
  • 26-05-2022
  • Mathematics
contestada

Can someone help me with this?

Can someone help me with this class=

Respuesta :

Undone917
Undone917 Undone917
  • 26-05-2022

Answer:

B

Step-by-step explanation:

4x4= 8

10x10= 20

8+20= 28

5x2= 10

9x2= 18

10+18= 28

Answer Link
asmaNasr
asmaNasr asmaNasr
  • 26-05-2022

Answer:

[tex]4x + 10y = 28 \\ 5x + 9y = 28 \\ 10y = 28 - 4x \\ y = \frac{28 - 4x}{10} \\ y = 2.8 - 0.4x \\ 5x + 9(2.8 - 0.4x) = 28 \\ 25.2 - 3.6x + 5x = 28 \\ 1.4x = 2.8 \\ x = 2 \\ [/tex]

[tex]y = 2.8 - 0.4 \times 2 \\ y = 2[/tex]

B

Answer Link

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