2 years ago

Help me please.........

Mathematics

1 answer:

Shalnov [3]2 years ago

4 0

Answer:

um 21

Step-by-step explanation:

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Three-fifths of the sum of 9 and f

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Answer: $\frac{3}{5} f+\frac{27}{5}$

Step-by-step explanation:

Three-fifths of the sum of 9 and f is $\frac{3}{5} (9+f)$ = $\frac{27}{5} +\frac{3}{5} f$ = $\frac{3}{5} f+\frac{27}{5}$

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3 years ago

the ratio of sadia's age to her father's age is 3:6. The sum of their age is 96 .What is sadia's age

max2010maxim [7]

We have,

$a:b=3:6,a+b=96$

Introduce variable $x$ such that $a=3x,b=6x$

The sum $a+b=96$ is therefore $9x=96\implies x=10.\overline{6}$

So,

$a=3\cdot10.\overline{6}=\boxed{32}$ (sadia's age)

$b=6\cdot10.\overline{6}=\boxed{64}$ (father's age)

Hope this helps :)

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Help me please.........​

Help me please.........