A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is 15 in. tall. Write a linear equation to model the relationship between heigh h of the candle and time t. Predict how tall the candle will be after 8 hours.

Question

ganeshie8 · Answer

after 3 hours, it was 17 in
after 5 hours, it was 15 in

that means, in 2 hours it reduced 2 in, eh ?

anonymous · Answer

yess.

ganeshie8 · Answer

so, can we say, every hour its reducing 1 inch ?

anonymous · Answer

yes, that makes sense.

ganeshie8 · Answer

great ! now tell me to start wid how many inches it is

ganeshie8 · Answer

after 3 hours, it is 17

that means, after 2 hours it must by 18, ?
and, after 1 hours it must be 19 ?
and, to start wid it must be 20 ?

ganeshie8 · Answer

can we put it like this :-

tallness = 20 - number of hours passed 

?


or

t = 20 - h