Question

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Answer 1

Answer:

111/4 is the cost of book

999/4 is the cost he have

999/4/111/4

Answer is 9

Answer 2

Answer:

Step-by-step explanation:

1 ) Cost of one note book = $27\frac{3}{4}=\frac{111}{4}$

Cost of ? note books = $249\frac{3}{4}=\frac{999}{4}$

=> ? = $\frac{\frac{999}{4} }{\frac{111}{4} } =\frac{999}{111} =9$

2 )  The product of two numbers is 42

One number = $9\frac{4}{5} =\frac{49}{5}$

Let the required number = x

=> x * $\frac{49}{5}$ = 42

=> x = 4.286

3 ) By what number should be divided $15\frac{5}{6} =\frac{95}{6}$ be divided to get $6\frac{1}{3} =\frac{19}{3}$

=> $\frac{19}{3}=\frac{\frac{95}{6} }{x} \\\\=> x = \frac{15}{2}$

...Hope helps you...