IDNLearn.com offers a seamless experience for finding and sharing knowledge. Our community provides timely and precise responses to help you understand and solve any issue you face.
Answer:
Rock costs $3.20 per pound.
Step-by-step explanation:
Because sand costs three times as much as rocks per pound, you can determine the cost of rocks per pound by dividing the cost of sand per pound by three:
[tex]\frac{9.60}{3}[/tex] [tex]= 3.20[/tex]