Answer:
total rainfall during three months :-

Explanation :
here's the solution :-
=》rainfall in March =

=》rainfall in April =

=》rainfall in May =

Total rainfall during these three months :-
=》

=》

=》

=》

so, total rainfall during the three months is 1.41 inches
Answer:
28
Step-by-step explanation:
2x + 3x + 40 =180
5x= 180 - 140
5x=140
x= 28
Answer:

Step-by-step explanation:
Let
y ----> the distance in miles
x ----> the time in hours
using proportion

Simplify


This is a linear direct variation
The unit rate or speed is the slope of the linear equation
The unit rate is 4 miles/hour
Answer:
Step-by-step explanation:
Postulate 5: If two planes intersect, then their intersection is a line.