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?

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

My best answer is C is that correct

PsyDAG · Accepted Answer

agree

Jada · Answer

I hope you're right, this is my answer too

Frost · Answer

100% correct thank U

Anonymous · Answer

does anyone know the test answers? lesson 9 unit 5

:) · Answer

Bananas are on sale for $0.50 a pound, and you have a coupon for $0.15 off your total purchase. Write a function rule for the cost, c, of n pounds.

c = 0.5n - 0.15

c = 0.5n

c = 0.5n + 0.15

c = 0.15n - 0.50

I think a... can some1 check??