Question

1. Alan got 80% in his math test, Jorden got one-fifth more, what is the mark of Jorden?

2. The salary of a doctor is increased by 25%. The new salary is $8000. What is the original salary?

3. Increase 200 by 10% and then decrease by 20%. Find the new number.

4. The salary of a doctor is increased by 20%. By what percent should the new salary be reduced in order to restore the original salary?

5. Steph took out a compound interest loan that charges 2.5% interest annually. If her original loan amount was for $60,000 and she is paying off the loan over 2 years, how much will she pay altogether? What is the interest?

Answers

  2. Answer:
    1. 96%
    2. $6000
    3. 176
    4. 20%
    Step-by-step explanation:
    1. 1/5 of 80% is 16%. 80+16=96
    2. 25% of 8000 is 2000. 8000-2000= 6000.
    3. 10% increase of 200 is 20. 20+200=220. 20 percent of 220 is 44. 220-44=176
    4. if you increase the original salary by 20%, then decreasing it by 20% of the new salary will give you the old salary.

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