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Daniel Math Academy · Grade 8 Math

Equation Word Problems: Variables on Both Sides

Skill Q.5 · Multi-step equations · ★★☆ Medium · Quarter 2

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Write an equation and solve it.

1. 1
   Candle A is $27$ cm tall and burns $5$ cm per hour. Candle B is $15$ cm tall and burns $1$ cm per hour. After how many hours will they be the same height?
2. 2
   Candle A is $37$ cm tall and burns $3$ cm per hour. Candle B is $33$ cm tall and burns $1$ cm per hour. After how many hours will they be the same height?
3. 3
   Candle A is $27$ cm tall and burns $3$ cm per hour. Candle B is $21$ cm tall and burns $2$ cm per hour. After how many hours will they be the same height?

Daniel Math Academy · Grade 8 Math

Answer Key

Q.5 Equation Word Problems: Variables on Both Sides · ★★☆ Medium

1. 13 hours
2. 22 hours
3. 36 hours