Question 48
MediumOriginal questionWhen 9 is subtracted from a number and the result is multiplied by 4, the answer is 2 less than three times the number. What is the number?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
.
, so .
Check: and .
Worth noting
Writing instead of 4 gives 7. The brackets matter: the 4 multiplies the RESULT of the subtraction.
- Concept
- Translating words into a bracketed equation
- Typical timeTypical
- 55 s
- Your timeYours
- —
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