Question: A student has \ 25 to buy walnuts and cashews. - Walnuts cost \ 5 per pound. - Cashews cost \ 7 per pound. - The student buys 3 pounds of walnuts. Which of the following inequalities can be used to find c, the possible number of pounds of cashews that the student can buy?
A) 15+7 c ≥ 25
B) 15+7 c ≤ 25
C) 5+7 c ≥ 25
D) 5+7 c ≤ 25
Correct answer: B
Grade: 7 | Topic: Expressions and Equations | Difficulty: Hard | Standard: 7.EE.B.4