mmaglaya1

06.10.2019 • 

Mathematics

Me, i need to get a good score on this test so bad.

q1. in 1970 a desktop calculator sold for about %100.00. today the same type of calculator sells for as little as $25.00. what is the percent of decrease in the cost of desktop calculators.

q2. find the percent of increase or decrease from the first number to the second number: 45 to 66

q3 marco makes $36,000 a year, if he receives a 5% raise, how much money will he be earning each year.

q4 64 increased by 25%

q5 find the total cost: price tax -$140.00 , rate - 75$

Ответ:

bbbbbbbbbbbb62

05.01.2022

Mathematics

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1. (100 - 25) / 100...x 100
     75/100 = 0.75x 100 = 75% decrease

2. (66 - 45) / 66x 100
     21/66 = 0.318...x 100 = 31.8% increase

3. 36,000(1.05) = $ 37,800

4. 64(1.25) = 80

5. having trouble with this...what is the tax rate ? 75%...or 7.5%

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Ответ:

isaacb6727

27.02.2023

Mathematics

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6x3 is the width and lenght

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