- ACorrect; (13 − 4) × 3 = 27
- BWrong; it is 23
- CWrong; it is 5
- DWrong; it is 9
Step-by-Step Solution
13 − 4 = 9 and ✓. (5 comes from 27 ÷ 3 − 4, undoing in the wrong order.)
Answer: A) Correct; (13 − 4) × 3 = 27
I think of a number, subtract 4 and multiply by 3. I get 27. Lata says the number is 13. Check.
Class 7Checking Solutions by TrialSimple Equations
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