If a:b = 5:7 and c:d = 2a:3b, then ac : bd is
A)20:38
B)50:147
C)10:21
D)50:151

Name: If a:b = 5:7 and c:d = 2a:3b, then ac : bd is A)20:38 B)50:147 C)10:21 D)50:151
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Quizplus · Accepted Answer

Given the ratios a:b = 5:7 and c:d = 2a:3b, we can substitute the values of a and b into the second ratio to find c:d. Since a:b = 5:7, we can express c as 2*5 and d as 3*7, making c:d = 10:21. To find ac:bd, we multiply a and c, and b and d, respectively, which gives us (5*10):(7*21) = 50:147.

If A:b = 5:7 and C:d = 2a:3b, Then Ac