An insurance company uses the formula T=3.5n + 5 to work out the cost, T pounds, for insuring a customer for n days. Work out the cost for travel insurance for 4 days?

The cost of travel insurance of a traveler for 4 days will be 19 pounds.

Given information:

An insurance company uses the formula to work out the cost, T pounds, for insuring a customer for n days.

It is required to find the cost of 4 days travel insurance of a traveler.

So, put the value of n as 4 in the given formula to calculate the cost of 4 day travel insurance as,

Therefore, the cost of travel insurance of a traveler for 4 days will be 19 pounds.

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Cost of travel insurance for 4 days = 19 pounds

Step-by-step explanation:

The insurance company uses the formula T = 3.5n + 5 to work out the cost , T pounds for  insuring the customer for n number of days . Where n is the number of days.

The algebraic equation given has two variables which are cost T of insuring and n which is the number of days for insuring. Mathematically,

T = cost of insuring in pounds

n = number of days

Therefore, finding the cost T for 4 days

T = 3.5n + 5

T = 3.5 × 4 + 5

T = 14 + 5

T = 19 pounds

Cost of travel insurance for 4 days = 19 pounds

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