Question 1: 27 is 90% of what number?

Mathematics

2 answers:

Tatiana [17]3 years ago

7 0

1. 27=0.9x

27/0.9=x

x=30

2. 64=0.4x

64/0.4=x

x=160

3. 82=0.2x

82/0.2=x

x=410

marshall27 [118]3 years ago

5 0

Divide the known value by the percentage.

1. 27 / 0.90 = 30

2. 64 / 0.40 = 160

3. 82 / 0.20 = 410

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