1. 3/6 = 4/?
Solution:
[tex]\frac{3}{6} = \frac{4}{x}\\3x = 4(6)\\3x = 24\\x = 8[/tex]
Answer: 8
2. 2/7 = ?/14
Solution:
[tex]\frac{2}{7} = \frac{x}{14}\\7x = 2(14)\\7x = 28\\x = 4[/tex]
Answer: 4
3. 4/5 = 8/?
Solution:
[tex]\frac{4}{5} = \frac{8}{x}\\4x = 8(5)\\4x = 40\\x = 10[/tex]
Answer: 10
4. 6/12 = 1/?
Solution:
[tex]\frac{6}{12} = \frac{1}{x}\\6x = (12)(1)\\6x = 12\\x = 2[/tex]
Answer: 2
5. 5/30 = ?/18
Solution:
[tex]\frac{5}{30} = \frac{x}{18}\\30x = (18)(5)\\30x = 90\\x = 3[/tex]
Answer: 3
