SOLUTION: Ok this is different to me, the question is in the formula of : 2/f+t=3/m, it says solve the equation for f(part 1 of the problem), then, calculate f from that formauls when

Question 23307: Ok this is different to me, the question is
in the formula of : 2/f+t=3/m,
it says solve the equation for f(part 1 of the problem),
then, calculate f from that formauls when
m=4, and t=3(part 2 of the problem).
PLease help

Found 2 solutions by stanbon, Earlsdon:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Multiply thru by "fm" to get rid of the fractions:
2m +ftm =3f
ftm=3f-2m
f = (3f-2m)/tm
If m=4 and t=3 the f=(3(3)-2(4))/((3)(4)
f= 1/12
Cheers,
Stan H.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
1) Solve for f:
Subtract t from both sides of the equation.
Simplify the right side.
Multiply both sides by f.
Finally, multiply both sides by

2) Calculate f when m=4 and t=3

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