Practicing Success
If (4a – 3b) : (5a – 2b) = 3 : 4 , then a : b is equal to |
\(\frac{4}{1}\) \(\frac{3}{2}\) \(\frac{6}{5}\) \(\frac{6}{1}\) |
\(\frac{6}{1}\) |
⇒ \(\frac{4a - 3b}{5a - 2b}\) = \(\frac{3}{4}\) ⇒ 16a - 12b = 15a - 6b ⇒ a = 6b ⇒ \(\frac{a}{b}\) = \(\frac{6}{1}\) or a:b = 6 : 1 |