Which of the following pairs consists of equivalent fractions?
1 answer:
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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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To find the inverse of a function, switch the x and the y and then solve for the new y. Like this: 
. Subtract 5 from both sides to get 
and then multiply both sides by 3. 3(x - 5) = y. B is your choice.