All parts of arithmetic equations have names. In an addition equation, addends are the numbers that are added together to give a sum. In a subtraction equation, the subtrahend is taken away from the minuend to give a difference. In a multiplication equation, factors are multiplied to give a product.
Hi,
To find a price of a single unit, you need to divide total with the amount of units 5.

Single unit price (rate) is 4$.
Hope this helps.
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r3t40
Answer:
the period of the graph of 4cos(1/2x)-3 is twice as long as the period of 4cos(x)-3