Divide

Divide the number 72 in the ratio 7: 2 and calculate the ratio of the numbers found in this order and write down as decimal.

Correct answer:

a =  56
b =  16
p =  3.5

Step-by-step explanation:

$a=72\cdot {\displaystyle \frac{7}{2+7}}=56$

$b=72\cdot {\displaystyle \frac{2}{2+7}}=16$

$p=a\mathrm{/}b=56\mathrm{/}16={\displaystyle \frac{7}{2}}=3\frac{1}{2}=3.5$

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