64 - 9 = 55 \sqrt{55} = 7.4161984871
7.4161984871/2 ≈3.7
Answer:
48
Step-by-step explanation:
You just have to divide the length of the fabric by the length of the sections
99 and 59
X=big number
X-40 = small
X+ x-40 =158
2X -40=158
2X =198
X=99. Big number is 99
99-40 =59
99+59=158
use the distributive property
combine alike terms
add the negative number to the other side
combine alike terms
then divide on both sides to get the variable by itself
Area of the board divided by the time
2 x 3 = 6ft^2
15/6= 2.5mins