The price of a bag of maize rose from KSh 500 to KSh 420. What is the percentage change?
Answer and explanation
Correct answer: A. 16% decrease
- Step 1: Change = 420 - 500 = -80. Step 2. Percentage change = change / original x 100 = -80 / 500 x 100 = -16%. Answer: 16% decrease. Why not the others: 19.05% decrease: That divides by the new price instead of the original price. 16% increase: That has the right size but the wrong direction. 80% decrease: That treats the shilling difference as a percentage.
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