Algebra, NAPX-G4-NC27, NAPX-G3-NC28

Question

Which value of AA is closest to the missing number in this equation?

( ? + 39.3) ÷ 4.15 = 69.3

Worked Solution
( ? + 39.3) ÷ 4.15 = 69.3
( ? + 39.3) = 69.3 × 4.15
? ≈(70×4) − 40≈(70×4)\ −\ 40
≈280 − 40≈280\ −\ 40
≈ {{{correctAnswer}}}

Variant 0

DifficultyLevel

685

Question

Which value of AA is closest to the missing number in this equation?

( ? + 39.3) ÷ 4.15 = 69.3

Worked Solution
( ? + 39.3) ÷ 4.15 = 69.3
( ? + 39.3) = 69.3 × 4.15
? ≈(70×4) − 40≈(70×4)\ −\ 40
≈280 − 40≈280\ −\ 40
≈ 240

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
240

Answers

Is Correct?Answer
x

−20- 20

x

60

x

160

✓

240

x

320

Tags

  • nap_nc