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What is the percent of change from 1414 to 2121?\newlineChoices:\newline(A) 50%50\% increase\newline(B) 55%55\% decrease\newline(C) 55%55\% increase\newline(D) 50%50\% decrease

Full solution

Q. What is the percent of change from 1414 to 2121?\newlineChoices:\newline(A) 50%50\% increase\newline(B) 55%55\% decrease\newline(C) 55%55\% increase\newline(D) 50%50\% decrease
  1. Calculate Difference: Step 11: Calculate the difference between the final and initial values.\newlineInitial value: 1414\newlineFinal value: 2121\newlineDifference = Final value - Initial value = 2114=721 - 14 = 7
  2. Calculate Percent Change: Step 22: Calculate the percent of change.\newlineAmount of change: 77\newlineOriginal amount: 1414\newlinePercent of change = (Amount of change/Original amount)×100%(\text{Amount of change} / \text{Original amount}) \times 100\%\newlinePercent of change = (7/14)×100%=0.5×100%=50%(7 / 14) \times 100\% = 0.5 \times 100\% = 50\%
  3. Determine Increase/Decrease: Step 33: Determine if it's an increase or decrease.\newlineSince the value increased from 1414 to 2121, it's an increase.