Question

A husband and wife can complete a certain task in 1 and 2 hours respectively. Their children, Rae and Herman, can complete the same task in 4 and 6 hours, respectively. What is the ratio of the couple's time working together to complete the task to the children's time working together to complete the task?a)15:46b)3:10c)12:23d)5:18e)10:3

Answer 1

1:2 and 4:6 which equal 3:10

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