Lucy needs to hire a host. Host A is offering his services for an initial $45 in addition to $16.25 per hour.
Hostess B is offering her services for an initial $51 in addition to $13.50 per hour. When will the two hosts
charge the same amount of money? If necessary, round your answer to the nearest tenth.
At approximately
hours, both hosts will charge about the same amount.

Alright!

To start this problem, we need to come up with equations that represent both of the Hosts' services

Key equation:

y = mx + b

x = the # of hours

Host A:

An initial $45 means this will be our constant

$16.25 per hour means it needs the variable x

Host A equation: y = 16.25x + 45

Host B:

An initial $51 means this will be our constant

$13.50 per hourmeans it needs the varible x

Host B equation : y = 13.50x + 51

To find the approximate number of hours (x) when both hosts charge the same amout, we must set their equations equal to each other.

16.25x + 45 = 13.50x + 51

Now, Solve!

16.25x = 13.50x + 51 - 45

16.25x = 13.50x + 6

16.25x - 13.50x = 6

2..75x = 6

now divide to find x!

x = 6 ÷ 2.75

x = 2.18

but we must round to the nearest tenth, so your final answer is

x = 2.2 hours!

Hope I helped! Comment if you have any questions about my solution :)

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