Question

What will be 80% of a number whose 20% is 90

Answer 1

Answer:

360

Step-by-step explanation:

Let the number be x

then

$\frac{20}{100} \times x = 90 \\ x = 90 \times \frac{100}{20 } \\ = 450$

then

$\frac{80}{100} \times x \\ = \frac{80}{100 } \times 45 = 360$

thus 80% of x will be 360

Answer 2

360

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