These are sample practice MCQs created for exam preparation. These are NOT official exam questions.
Apples cost $0.60 each and oranges cost $0.80 each. John buys 20 pieces of fruit for $14. How many apples did he buy?
Question:
Apples cost $0.60 each and oranges cost $0.80 each. John buys 20 pieces of fruit for $14. How many apples did he buy?
Apples cost $0.60 each and oranges cost $0.80 each. John buys 20 pieces of fruit for $14. How many apples did he buy?
Options
Answer: (C) 10
Explanation:
Solve the system: a + o = 20, 0.6a + 0.8o = 14. Substitute o = 20 − a → 0.6a + 16 − 0.8a = 14 → −0.2a = −2 → a = 10.
Explanation:
Solve the system: a + o = 20, 0.6a + 0.8o = 14. Substitute o = 20 − a → 0.6a + 16 − 0.8a = 14 → −0.2a = −2 → a = 10.
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