What is 15.02% of 399.8 + 33.1% of 150.3 approximately equal to?

Simplification & Approximation · Question 63 of 71

Question 63

MediumOriginal question

What is $15.02\% \text{ of } 399.8 + 33.1\% \text{ of } 150.3$ approximately equal to?

90Correct answerYour answer110Correct answerYour answer130Correct answerYour answer150Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer B

Correct answer: B

$15\%$ of $400 = 60$ .
$33.1\% \approx 33\frac{1}{3}\% = \frac{1}{3}$ , and $\frac{1}{3}$ of $150 = 50$ .
Total $\approx 60 + 50 = 110$ .

Worth noting

Recognise $33\frac{1}{3}\%$ as one third. The exact value is about 109.8.

Ten questions from Simplification & Approximation, at your own pace.

Ten questions from Simplification & Approximation, at your own pace.