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Algebra 8 Online
OpenStudy (anonymous):

you can estimate the time, t, in hours that it takes to fly a distance, d, in miles by using the formula t=(d/100)+(1/2). use the formula to estimate how many hours it would take to fly 1300 miles.

OpenStudy (anonymous):

|dw:1379513735234:dw|

OpenStudy (anonymous):

thats the equation

OpenStudy (jack1):

okok

OpenStudy (anonymous):

i dont want the answer i want to know how to work it out

OpenStudy (anonymous):

so i may find the answer

OpenStudy (jack1):

where the d is put 1300

OpenStudy (anonymous):

and then cross multiply?

OpenStudy (jack1):

|dw:1379600233777:dw|

OpenStudy (jack1):

why multiply...? it's addition, so fraction 1 + fraction 2

OpenStudy (anonymous):

oh wow. my bad

OpenStudy (anonymous):

i read it wrong

OpenStudy (jack1):

all good, so u got the answer?

OpenStudy (anonymous):

i hate algebra. ok so i add the numerator and denominator right?

OpenStudy (anonymous):

1 & 2?

OpenStudy (jack1):

nah dude, divide top by bottom (ie num by denom)

OpenStudy (anonymous):

for both sides or just the right?

OpenStudy (anonymous):

13.5?

OpenStudy (jack1):

yes, 13.5

OpenStudy (anonymous):

yee :D

OpenStudy (anonymous):

thanks dude

OpenStudy (jack1):

nah, all good hey

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