Question

national savings is equal to the sum of private savings and public savings. to make our notation a bit easier, we will call national savings s, private savings v, and public savings u. so in other words,

Answer 1

Here, public savings = $1.05 billion and private savings = $3.15 billion

It is calculated as follows:

Total savings, S = $4.20 billion

We know: S = V+U

It means National Savings = Private savings + Public savings

Here:

V = private savings , U = public savings and

Private saving, V = 0.75 × S

 = 0.75 × $4.20 billion

 = $3.15 billion

And, the public savings will be = National savings - private savings

= $4.20 billion - $3.15 billion

= $1.05 billion

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