Jude charges $45 per hour to install a door frame and uses $16 of wood. the
arges $45 per hour to install a door
uses $16 of wood. the price (p).
in dollars, he charges for a door frame that
takes h hours to install is p = 45h +16
he charged $106 for one door frame he
installed. how many hours did he take to
install it?

It took 2 hours to install the door

Hope this helps

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for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for