Two groups went hiking, leaving at the same time and arriving back at the same time. While on group moved at the speed of 6mph and then moved back at the speed of 4mph, the other group moved all the way with the same speed. What was the speed of the second group, if both groups covered the same distance, 24 miles?

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17

true

step-by-step explanation:

it is more then likely a review to you prepare for an upcomign test or quiz