Tom was paid according to a salary grid with annual increases from year one to year ten. The sequence of salaries from years one to ten formed an arithmetic sequence.
In his tenth year, he reached his maximum salary. He earned $58 600 in the fifth
year and $73 400 in the ninth year.
If he worked for twelve years, determine the total amount that Tom earned.

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

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step-by-step explanation:

step-by-step explanation: s

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076