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50t + .1t^2 = 1100

Solve. show steps please

2 answers

I would multiply by 10 and re-arrange into a standard quadratic equation.

t^2 + 500t - 11000 = 0
now use the quadratic formula to find the two real roots.
Im in 9th grade algebra. and we are learning adding and subtracting real numbers. im stumped on a couple of problems. I get confused when i see the absolute value lines. Does that change the munber? Do i just go on with the problem as if they werent there?
And i have NO idea how to do 2/5 - 7/8?!?