Vince went on a 3 day hiking trip. Each day, he walked 3/4the distance that he walked the day before. He walked 83.25 kilometers total on the trip. How far did Vince walk on the 1st day of the trip?

Answer

36 km

Step-by-step explanation:

Suppose  he walked n km on the first day

We create the following equation

n + 3/4 n + (3/4)^2 n = 83.25

n + 0.75n + 0.5625n = 83.25

2.3125n = 83.25

n = 36 km

something over 10 so ? /10

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.