Modded SAT Question Bank
by Abdullah Mallik dedicated to DPT SAT Batches and Someone Special | GitHub
We're excited to announce that we've launched a new and improved question bank with enhanced features and a more user-friendly interface.
To access the new question bank, please visit OnePrep.
We believe that this new platform will provide you with a better overall experience. Thank you for your continued support!
Test
Math
Domain
Problem-Solving and Data Analysis
Skill
Percentages
Difficulty
Medium
ID: b2f6f17d
Modded SAT Question Bank by Abdullah Mallik

A customer’s monthly water bill was $75.74. Due to a rate increase, her monthly bill is now $79.86. To the nearest tenth of a percent, by what percent did the amount of the customer’s water bill increase?

  1. 4.1%

  2. 5.1%

  3. 5.2%

  4. 5.4%

Toggle Answer

Tip: Press CTRL/Command to toggle answer
Correct Answer: D
Rationale

Choice D is correct. To find the percent increase of the customer’s water bill, the absolute increase of the bill, in dollars, is divided by the original amount of the bill, and the result is multiplied by 100%, as follows: the fraction with numerator 79 point 8 6 minus 75 point 7 4, and denominator 75 point 7 4, is approximately equal to, 0 point 0 5 4;; 0 point 0 5 4 times 100 percent, equals 5 point 4 percent.

Choice A is incorrect. This choice is the difference 79 point 8 6, minus 75 point 7 4 rounded to the nearest tenth, which is the (absolute) increase of the bill’s amount, not its percent increase. Choice B is incorrect and may be the result of some calculation errors. Choice C is incorrect and is the result of dividing the difference between the two bill amounts by the new bill amount instead of the original bill amount.

Question Difficulty: Medium
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
27 / 53 Next