Bananas are on sale for $0.40 a pound, and you have a coupon for $0.25 off your total purchase. Write a function rule for the cost of n pounds. How much would 30 pounds of bananas cost?
A) C(n)=0.25n-0.40;$7.10
B) C(n)=0.4n-0.4;$11.60
C) C(n)=0.4n-.025;$11.75
D) C(n)=0.4n;$12.00
can someone please help me out with this please. I am a student at Texas Connections academy! :)

Question

Bananas are on sale for $0.40 a pound, and  you have a coupon for $0.25 off your total purchase. Write a function rule for the cost of n pounds. How much would 30 pounds of bananas cost?
A) C(n)=0.25n-0.40;$7.10
B) C(n)=0.4n-0.4;$11.60
C) C(n)=0.4n-.025;$11.75
D) C(n)=0.4n;$12.00
can someone please help me out with this please. I am a student at Texas Connections academy!  :)

javeneno · Answer

It might be C but I'm not sure. :-/

anonymous · Answer

thank you