Ahmad bought 5 ounces of salad greens for $4.00. what was the unit price per pound of the salad greens? (1 pound = 16 ounces) a.$7.20 b.$8.00 c.$12.80 d.$20.00 why would c be the answer

C. .

Step-by-step explanation:

It was given that,

"Ahmad bought 5 ounces of salad greens for $4.00".

But it was given that, (1 pound = 16 ounces)

We need to convert 5 ounces to pounds.

If 1 pound = 16 ounces, then

This implies that, 5 ounces

The unit rate per pound is

.

We multiply by the reciprocal of the second fraction to get,

.

.

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0