3 questions must show all work

I need help with a Mathematics question. All explanations and answers will be used to help me learn.

Each answer must have all the steps that you used to arrive at that answer.

According to a government agency, there were 107,600 chefs/head cooks

employed in the United States in 2010 and 314,600 food service managers.

Those numbers were projected to decrease to 106,000 and 299,600 by 2020.

Which job was facing the larger percent decrease? By how much?

Harry had an unpaid balance of $1780.89 on his credit card statement at the

beginning of December. He made a payment of $255.00 during the month, and

made purchases of $369.82. If the interest rate on Harry

‘s credit card was 2.5%

per month on the unpaid balance, find his finance charge and the new balance

on January 1

A credit card statement showed these transactions during October.

October 1

Previous balance

$413.98

October 15

Purchases

$81.45

October 25

Payment

$50.00

The credit card has an interest rate of 4% on the average daily balance. Find the

average daily balance, the finance charge for the month, and the new balance on

November 1. [Hint: Remember that October has 31 day

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