When you put money in the bank and then go to the store and write a check for that exact amount.
Answer:
Step-by-step explanation:
I assume that the last question should read "cosE"
I think the answer would be the thrid one
Answer:
D
Step-by-step explanation:
3/5 + 1/5 is 4/5
4/5 x 4/3 is 16/15
16/15 = 1 1/15
Answer:
A. c = kn
Step-by-step explanation:
The cost c varies directly as the numbers n of pencils
This means that c is a multiplication of a constant by n, which is the number of pencils. So the equation for the cost is given by:

In which k is the constant of proportionality, that is, the cost of each pencil. So the correct answer is given by option A.