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Solving Equations and Word Problems

1) Evaluate 6*5+2-24 divided by4*2

2) Given f(x)=3x+3, find f(a+1)

3) Use your calculator to evaluate the following expression if x=9.69, and y= -8.02
x-5y
Round your answer to the nearest tenth

4) A bus leaves a station at 1P.M., traveling west at an average rate of 44 mi/h. At 2P.M. on the same day a second bus leaves the same station, traveling east at a rate of 48mi/h. Approximately at what time will the two buses be 274 mi apart?

5) An 18-ft board is cut into two pieces, one of which is 4 ft longer than the other. How long is each piece? Show your work.

Solution Preview

Please see the attached file.

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1) Evaluate 6*5+2-24 divided by4*2

6*5+2-24 /4*2
=30+2-6*2
=32-12=20

2)Given f(x)=3x+3, find f(a+1)

As f(x)=3x+3, we have
f(a+1)=3(a+1)+3
=3a+3+3
=3a+6

3) Use your calculator to evaluate the following expression if x=9.69, and y= -8.02
x-5y
Round your answer to the nearest tenth

As x=9.69 ...

Solution Summary

Equations and word problems are solved.

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