With this my sister needs and i forgot how to do this

(2 x 100,000) + (7 x 10,000) + (9 x 100) + (5 x 10) = 270,950

1. (2×100,000)=200,000

2. (7×10,000)=70,000

3. (9×100)=900

4. (5×10)=50

200,000+70,000+900+50=270,950

All of the values added up together equal the original number.

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4