Leah practices dance for 2 hours each week. her younger sister sonia practices dance for 0.8 the amount of time leah practices. how much more time does leah practice than sonia?

Leah practices 0.40 hours more than Sonia.

Step-by-step explanation:

Leah practices dance for 2 hours each week.

Her younger sister Sonia practices dance for 0.8 the amount of time Leah practices.

So, her younger sister practices for = hours

So, Leah practices hours more than Sonia.

Hence, Leah practices 0.40 hours more than Sonia.

answer: 25.4 units

step-by-step explanation: radius = 12.7 units

diameter = twice the radius

diameter = 12.7 x 2

= 25.4

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.