Respuesta :

8*?=24? 8*3=24. So multiply 7 also by 3, and the answer is 21 :)
Cross multiplication!
[tex] \frac{7}{8} [/tex] = [tex] \frac{x}{24} [/tex]
7 × 24 = 8x
168 = 8x

Divide both sides by 8 to isolate x

[tex] \frac{168}{8} [/tex] = [tex] \frac{8x}{8} [/tex]
8 and 8 cancels out

21 = x