Question

Sigourney plays the cello. On 15% of her practice days, she practices all of her scales. If she practices everyday of 4 weeks how many days did she practice all her scales

Answer 1

4.2 days

Explanation:

Number of Weeks during which she practiced =4 weeks

Convert from weeks to days = 4 X 7=28 days

Since she practices all of her scales 15% of her practice days.

Number of Days that she practiced all her scales

=15% X 28

=0.15 X 28

=4.2 days