Solve Rational Equations Word Problems

Solve for x

• x=27

• x=-3

• x=81

• x=3

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CCSS.HSA.REI.A.2

Sarah drove her car 800 km to see her friend. The return trip was 2 hrs. faster at a speed that was 10 kph more. Which equation will solve her return speed if x represents her speed on her first trip?

Tags

CCSS.HSA.CED.A.1

(a)  

Tags

CCSS.7.EE.B.4A

Solve for x

• 11

• 5

• 8

• 7

Tags

CCSS.HSA.REI.A.2

• 1/7
• 47/36
• 7
• 23

Tags

CCSS.7.EE.B.4A

Solve for c

• -3

• 3

• 4

• -4

Tags

CCSS.HSA.REI.A.2

Solve for x

• 6

• 17/5

• 19/2

• - 6

Tags

CCSS.HSA.REI.A.2

A boat goes 10 miles downstream in the same time it can go 3 miles upstream. The speed of the current is 2 miles per hour. Which equation could you use to find the speed of the boat in still water?

Tags

CCSS.HSA.REI.A.2

A plane flies 1225 miles with a tailwind in the same time it can go 1100 miles against the wind. The speed of the plane in still air is 575 miles per hour. Which equation would you use to find the speed of the wind?

Tags

CCSS.HSA.CED.A.1

A car travels 400 km in the same time that a freight train travels 300 km. The speed of the car is 25 km/h more than the speed of the train. Find the speed of the car and the speed of the train. (Hint set fractions equal rather than adding to a set time.)

Tags

CCSS.HSA.CED.A.1