A car travels a distance of 120 miles at a speed of x miles per hour. If the trip takes 3 hours, what is the value of x?
Solving Real-Life Rational Equations: Grade 8 Challenge

Quiz
•
English, Mathematics
•
8th Grade
•
Hard
Anthony Clark
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
60
30
40
50
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sum of two fractions is 3/4. If one fraction is 1/2, what is the other fraction?
3/8
1/4
1/3
2/4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A recipe requires 2/3 cup of sugar for every 1/4 cup of flour. If you use x cups of flour, how much sugar do you need?
(8/3)x
(5/2)x
(3/4)x
(1/2)x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A tank can be filled by a pipe in 5 hours and emptied by another pipe in 10 hours. If both pipes are open, how long will it take to fill the tank?
10 hours
20 hours
15 hours
5 hours
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The length of a rectangle is 3 meters more than its width. If the area of the rectangle is 40 square meters, what are the dimensions of the rectangle?
Width: 6 meters, Length: 9 meters
Width: 3 meters, Length: 6 meters
Width: 4 meters, Length: 7 meters
Width: 5 meters, Length: 8 meters
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cyclist travels 15 miles in x hours. If the cyclist's speed is 5 miles per hour, what is the value of x?
5
4
3
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A swimming pool can be filled in 6 hours. If a hose can fill the pool in x hours, how long will it take if both the hose and the main water supply are used together?
x / 6
6 - x
x + 6
6x / (x + 6)
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total cost of 3 notebooks and 2 pens is $5. If each notebook costs x dollars, what is the cost of each pen if it is $1 less than a notebook?
0.4
0.8
0.6
1.0
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A train travels 240 miles at a speed of x miles per hour. If the journey takes 4 hours, what is the value of x?
50
70
60
80
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