Question

5/15 = ×/9
×/20 = 3/4
25/× = 3/36
8/28 = 12/×

me ayudan​

Answer 1

• 5/15 = ×/9
• 5/5 = x
• 1 = x

• ×/20 = 3/4
• x/5 = 3
• x = 5•3
• x = 15

• 25/× = 3/36
• 25/x = 1/12
• 25•12 = 1•x
• 300 = x

• 8/28 = 12/×
• 8•x = 12 • 28
• 8x = 336
• x = 336/8
• x = 42