The cost of two dozen apples is $3.60. At this rate, what is the cost of 10 apples?
Correct answer: D. $1.50
- A. $1.75
- B. $1.60
- C. $1.55
- D. $1.50
Explanation
To find the cost of 10 apples, begin by determining the cost of one apple. Since 24 apples cost $3.60, divide $3.60 by 24 to find the cost per apple: $3.60 ÷ 24 = $0.15 per apple.Now, multiply the cost per apple by the number of apples you want to buy: $0.15 × 10 = $1.50. So, the cost of 10 apples is $1.50.Option A ($1.75), Option B ($1.60), and Option C ($1.55) all overestimate the cost per apple or involve calculation errors, leading to incorrect total costs for 10 apples.To find the cost of 10 apples, let's break it down:Two dozen apples = 24 applesCost of 24 apples = $3.60Step 1: Find the cost of 1 apple3.6024=0.15\frac{3.60}{24} = 0.15So, 1 apple costs $0.15.Step 2: Find the cost of 10 apples10×0.15=1.5010 \times 0.15 = 1.50✅ Final Answer: $1.50 for 10 apples.
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Quantitative reasoning applies arithmetic and basic algebra to numerical relationships, including percentages, ratios, averages, fractions, proportions, profit and loss, rates, time, work and measurement. Questions focus on translating words into equations, choosing an efficient method and checking whether the result is numerically reasonable.
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