Suppose a five minute overseas call cost $6.45 in a 10 minute call cost $11.40 the cost of the car in the length of the call are related write an equation to show the cost of the call of any duration approximately how long can you talk on the phone if you have $51 to spend

The Equation for this is given as

C = $0.99m + $1.50

Where m = number of minutes

C = Cost of the call

If you have $51 to spend , the duration of the call is approximately 50 minutes

Step-by-step explanation:

Step 1

We find the difference in the cost of the calls.

$11.40 - $6.45

= $4.95

The cost for a 5 minute call =

$4.95 ÷ 5 = $0.99

Hence, The extra charges for the 5 minutes call =

$6.45 - $4.95 = $1.50

The Equation for this is given as

C = $0.99m + $1.50

Where m = number of minutes

C = Cost of the call

If you have $51 to spend, the number of minutes you would get is :

$51 = $0.99m + $1.50

$51 - $1.50 = 0.99m

$49.50 = 0.99m

m = $49.50/0.99

m = 50 minutes

Therefore, If you have $51 to spend , the duration of the call is approximately 50 minutes

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explanation:

you would need to know all the numbers that are on there

step-by-step explanation: