Question: Katelyn wants to buy a $75.00 skateboard. She has $25.00 saved so far. She mows lawns to make extra money and earns $20.00 for each lawn she mows. Which inequality can be used to determine the number of lawns, x, she needs to mow to have enough money to buy the skateboard?
A) 25+20x ≤ 75
B) 25+20x ≥ 75
C) 20+25x ≤ 75
D) 20+25x ≥ 75
Correct answer: B
Grade: 7 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 7.EE.B.4b