Josephine can embroider a baby blanket for 2 hours while Leonor can do the same task for 4 hours.
How long will it take them to embroider a baby blanket if they work together?
How long will it take them to embroider a baby blanket if they work together?
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Answer:
1.3 hours
Step-by-step explanation:
Let:
A = Josephine
B = Leonor
t = time working together
Substitute: a = 2, b = 4
get the least common denominator of 2 and 4
LCD: 8
= 8 (
+ 
= 1)
= 4t + 2t = 8
= 6t = 8
t =
= 4/3 or 1.3 hours