Find the value of: (2/7)×(21/10)+(9/5 − 6)
2026
Find the value of: (2/7)×(21/10)+(9/5 − 6)
- A.
−11/2
- B.
−8/15
- C.
−17/8
- D.
−18/5
Attempted by 87 students.
Show answer & explanation
Correct answer: D
Simplify multiplication: (2 / 7) * (21 / 10) = (2 * 21) / (7 * 10) = 42 / 70 = 3 / 5.
Simplify subtraction: (9 / 5) - 6 = (9 / 5) - (30 / 5) = (9 - 30) / 5 = -21 / 5.
Add the results: (3 / 5) + (-21 / 5) = (3 - 21) / 5 = -18 / 5.
Final Answer: Option 4