Question

Hola :D Me ayudas plizzzzzz te doy coronita :D Ayuda es para un hora pliz ​

Answer 1

Verified answer

4.

15 fichas rojas y 6 azules

[tex](5 + 2)x = 21 \\ 7x = 21 \\ x = \frac{21}{7} \\ x = 3 \\ \\ (5 + 2)3 = 21 \\ 15 + 6 = 21 \\ 21 = 21[/tex]

5.

16 niñas y 14 niños

[tex](8 + 7)x = 30 \\ 15x = 30 \\ x = \frac{30}{15} \\ x = 2 \\ \\ (8 + 7)2 = 30 \\ 16 + 14 = 30 \\ 30 = 30[/tex]

6.

30 codornices

[tex]6x = 3(12) \\ 6x = 36 \\ x = \frac{36}{6} \\ x =6 \\ \\ 5x =5(6) = 30[/tex]