The present ages f Nick and David are in the ratio 5:7. After four years the ratio of their ages will be 3: 4 . find their prese
1 answer:
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Work
÷ 
Keep the first fraction, change the sign, flip the second fraction.
x 
= 
Answer
or 100
Keep the first fraction, change the sign, flip the second fraction.
Answer
She would have 1 cup of flour left.
Work: 6 1/2 - 2 3/4 = 3 3/4 - 2 3/4 = 1
Hope this helps :)
