Answer:
addition
Step-by-step explanation:
The given expression is
We want to determine the last operation performed when evaluating this expression for x=3.
We substitute to get:
Multiply within the parenthesis to get:
Subtract to get:
Evaluate the exponent to get:
4+4
Add to obtain:
8
Hence the final operation is addition
4 products are being purchased.
Step-by-step explanation:
Given,
Time taken to select each product = 5 seconds
Time taken to complete check out process = 60 seconds
Total time taken for a transaction = 80 seconds
Let,
x be the number of products purchased.
Time taken for each product*Number of product + Time for check out process = total process
Dividing both sides by 5
4 products are being purchased.
Keywords: variable, division
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