Word problems: a phone battery drains
Write an equation for the situation, then solve it.
Loading a question…
You've done today's 10 free questions.
Come back tomorrow for 10 more, or get unlimited practice with a membership.
Want more today? Print 20 more questions free, with the answers.
Already a member? Sign in.
See worked examples
A phone is charged to 50%. It loses 5% each hour. After how many hours is it at 35%?
Answer: 3
A phone is charged to 33%. It loses 2% each hour. After how many hours is it at 21%?
Answer: 6
A phone is charged to 48%. It loses 2% each hour. After how many hours is it at 36%?
Answer: 6
Tip: Write an equation for the situation, then solve it.
Print a worksheet of this skill New questions and an answer key, free.
Up next
- Next in this topic Word problems: buying packs of stickers Year 8
- Need a warm-up? Compare unit prices to find the better buy Year 7
Print a free worksheet with answers (20 questions).
Practise without limits
Members practise as much as they like, every day, and get the printable packs and lessons too.