Set up a proportion. 2/5 = x/40
to solve the equation first cross multiply.
x*5=40*2
x*5=80
now divide both sides by 5, 80 divided by 5 is equal to 16.
so the number of girls in the computer lab is 16.
380/14= 27.14 miles per gallon
27.14/2=13.57 miles
they wont reach the gas station
The LCD would the 10 since that is the lowest multiple that they both have in common.
I believe the answer is C
