The greatest

Algebra Level 1

Which of the following gives the greatest answer?

A. 99% of 70

B. 77% of 90

C. All three are equal .

D. 11% of 630

A C D B

Munem Shahriar by Munem Shahriar , 18, Bangladesh

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3 solutions

Munem Shahriar
May 26, 2017

The correct answer is C.

A. 0.99 of 70 = 0.1 × 11 × 7 × 9

= 69.3

B. 0.77 × 90 = 0.1 × 11 × 7 × 9

= 69.3

C. 0.11 × 630 = 0.1 × 11 × 7 × 9

= 69.3

All three answers are equal.

3 Helpful 0 Interesting 0 Brilliant 0 Confused
Mohammad Khaza
Jul 23, 2017

99% of 70 is= 70 × 99 100 \frac{70 \times 99}{100} = 69.3 69.3

77% of 90 is = 77 × 90 100 \frac{77 \times 90}{100} = 69.3 69.3

11% of 630 is = 11 × 630 100 \frac{11 \times 630}{100} = 69.3 69.3

so, they all are equal.and the answer is C

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Syed Hamza Khalid
Jul 12, 2017

All the answers are 69.3

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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