Systems word problems: wheels on bicycles and tricycles
Write two equations for the two unknown numbers, then solve the system.
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A shop has bicycles (2 wheels) and tricycles (3 wheels). There are 33 vehicles with 80 wheels in all. How many bicycles and how many tricycles? Write (bicycles, tricycles).
Answer: (19, 14)
A shop has bicycles (2 wheels) and tricycles (3 wheels). There are 29 vehicles with 69 wheels in all. How many bicycles and how many tricycles? Write (bicycles, tricycles).
Answer: (18, 11)
A shop has bicycles (2 wheels) and tricycles (3 wheels). There are 20 vehicles with 42 wheels in all. How many bicycles and how many tricycles? Write (bicycles, tricycles).
Answer: (18, 2)
Tip: Write two equations for the two unknown numbers, then solve the system.
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Up next
- Next in this topic Systems word problems: one number is a multiple of another Grade 8
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- Need a warm-up? One-step equations: add and subtract Grade 7
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