We can use a rule of three simple, direct proportion to solve this problem.
15 pounds correspond to $1.80, then the question is to find the price of one pound, the called unit rate. We state the rule of three:
15 pound ----> $1.80
1 pound -----> x
x = (1)(1.80)/15
x = 0.12
Therefore, each pound costs $0.12 that is the unit rate in pounds
Answer:
The middle one
Step-by-step explanation:
Answer:
bottom right.
Step-by-step explanation:
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Answer:
f(3) is 30
Step-by-step explanation:
