Question

three-quarters of a number is 15, work out four-fifths of the number.

Answer 1

Answer:

16

Step-by-step explanation:

1) Let the number be x.

2) Therefore, (3x/4) = 15.

3) x = 20.

4) (4/5) × 20 = 16.

Answer 2

Let the number be x

so, three-quarters of a number is 15

3x/4 =15

x=20

Now, four-fifths of the number

=4x/5

=4/5 ×20

=16

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