10. How much is 600 increased by 44%?

11. What amount, when reduced by 60%, equals $840?

12. After a 5.25% raise, Johnny earned $19.28 per hour. What was his hourly rate before the raise?

13. The population of Enfield has increased by 36% over the last five years. If the current population is 89,244, what was it 5 years ago?

14. Susan is paid a 15% commission on her sales. If she earns a commission of $3,800, what was the amount of her sales?

A percent is a way of expressing a fraction or a proportion out of 100. It is represented by the symbol "%". The term "percent" comes from the Latin word "per centum," which means "per hundred." Percentages are commonly used to describe relative quantities, proportions, or rates of change.

10. To find the increase of 44% on 600, we can calculate:

Increase = 600 * 44%

= 600 * 0.44

= 264

Therefore, 600 increased by 44% is 600 + 264 = 864.

11. Let's assume the amount we need to find is X. We can set up the equation as follows:

X - 60% of X = 840

X - 0.6X = 840

0.4X = 840

X = 840 / 0.4

X = 2100

12. Let's assume Johnny's hourly rate before the raise is X. We can set up the equation as follows:

X + 5.25% of X = $19.28

X + 0.0525X = $19.28

1.0525X = $19.28

X = $19.28 / 1.0525

X ≈ $18.33 (rounded to the nearest cent)

13. Let's assume the population of Enfield five years ago was X. We can set up the equation as follows:

X + 36% of X = 89,244

X + 0.36X = 89,244

1.36X = 89,244

X = 89,244 / 1.36

X ≈ 65,674 (rounded to the nearest whole number)

14. Let's assume the amount of Susan's sales is X. We can set up the equation as follows:

X * 15% = $3800

0.15X = $3800

X = $3800 / 0.15

X = $25,333.33 (rounded to the nearest cent)

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