Answer:
nose nada
Step-by-step explanation:

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Find 1 cup :
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Find 4 cups :
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Answer: John can make 6 batches with 4 cups of flour.--------------------------------------------------------------------------------------------
The two negetive points of the block add thise to you answer
Amar's age = a
sister is a - 5
add both = 39
a + (a - 5) = 39
2a - 5 = 39
2a = 44
a = 22 and sister is 17