Answer:
25
Step-by-step explanation:
Elena's speed was 25mph
1/4 x 1/20
The ratios in a 30-60-90 triangle are 1 :
: 2. Therefore, since the hypotenuse is the longest and it is 10, 10 / 2 is 5 meaning 5 is the smallest side.
Y = 10
-4 * 10 = 40
Hope this helps!!!:):):)