Answer:
<u>40 sq. ft.</u>
Step-by-step explanation:
Given :-
Volume = 160 cu. ft.
Height = 4 ft.
To Find :-
Base Area
Relation :-
Volume = Base Area x Height
Solving :-
Base Area = 160/4
= <u>40 sq. ft.</u>
Your answer is: n=-7/2 or n=3/4
Mark drove for 5 hrs
pranav drove for 3 hrs
Distance = speed x time
Pranav =50kmh x 3hrs
= 150 km
* note that they drove the same distance
Speed of mark=distance / time
=150 km / 5hrs
= 30 kmh
-13 ÷ -21 = 13÷21 = 0.619