Tyler needs at least $205 for a new video game system. He has already saved $30. He earns $7 an hour at his job. Write and solve an inequality to find how many hours he will need to work to buy the system. Interpret the solution._?
Tyler needs to work at least 25 hours
The words "at least" indicate that an "inequality" is needed here to describe Tyler's situation.
let's use the letter
things we are told:
If he reaches his target then
subtract 30 from both sides
divide both sides by 7