Write equations for proportional relationships
7th grade (Year 8 in England) · 16 questions · Common Core: 7.RP.A.2.C · England: KS3 Ratio, proportion and rates of change, KS3 Algebra
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Question 1
y is proportional to x, and y = 12 when x = 9. Write y in terms of x. Type the right-hand side only.
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Question 2
A car uses fuel in proportion to distance: f = 0.1d (litres per km). How many litres for 70 km?
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Question 3
Each bus ticket costs $11. Write an equation for y in terms of t. Type only the right-hand side (y = …).
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Question 4
y is proportional to x, and y = 6 when x = 4. Write y in terms of x. Type the right-hand side only.
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Question 5
A car uses fuel in proportion to distance: f = 0.02d (litres per km). How many litres for 30 km?
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Question 6
A printer prints pages at a rate of 10 pages per minute. Write an equation for y in terms of m. Type only the right-hand side (y = …).
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Question 7
y is proportional to x, and y = 15 when x = 20. Write y in terms of x. Type the right-hand side only.
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Question 8
A car uses fuel in proportion to distance: f = 0.1d (litres per km). How many litres for 110 km?
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Question 9
A printer prints pages at a rate of 13 pages per minute. Write an equation for y in terms of m. Type only the right-hand side (y = …).
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Question 10
y is proportional to x, and y = 25 when x = 10. Write y in terms of x. Type the right-hand side only.
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Question 11
A car uses fuel in proportion to distance: f = 0.08d (litres per km). How many litres for 40 km?
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Question 12
A printer prints pages at a rate of 8 pages per minute. Write an equation for y in terms of m. Type only the right-hand side (y = …).
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Question 13
y is proportional to x, and y = 8 when x = 20. Write y in terms of x. Type the right-hand side only.
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Question 14
A car uses fuel in proportion to distance: f = 0.1d (litres per km). How many litres for 110 km?
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Question 15
Each bus ticket costs $10. Write an equation for y in terms of t. Type only the right-hand side (y = …).
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Question 16
y is proportional to x, and y = 10 when x = 4. Write y in terms of x. Type the right-hand side only.
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