<span>1.7a+0.3a=4/5
2a = 4/5
a = 4/5 * 1/2
a = 4/10
a = 2/5
answer
</span> a = 2/5
updated
This a problem of conversion of units. to convert units, you must know at what values are each units equal. for this problem we must convert miles to feet. so 1 mile is equivalent to 5280 ft. so the answer is :
length in feet = 0.6 miles ( 5280 ft / 1 mile)
length in feet = 3168 feet
Hey there!!
Volume of a cone : πr²h/3
Where, πr²h is the volume of a cylinder.
Hence,
V cone = V cylinder / 3
Hence,
The above mentioned formula is wrong/false.
Hope my answer help!!