Partial variation.....
The charge for telephone calls.T is partly constant and partly varies with the...
Partial variation.....
The charge for telephone calls.T is partly constant and partly varies with the...
Partial variation.....
The charge for telephone calls.T is partly constant and partly varies with the number N of unit of calls.the bill for 420 units of calls is 806. While the bill for 200 units is 410.
(1) obtain the charges per unit call.
(2) find a formula for T.?
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Asked by Galadeema on 8th May, 2020
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