In a triathlon, participants are required to complete three successive events: swimming, bicycling and running without stopping. If they have to swim 2,900 metres, bike 7.9
kilometres, and then run 3.85 kilometres, calculate the ratio of the distance covered by
swimming to biking to running, in its lowest terms,

Please help me please

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

answer:

your answer is: c. 196 7/8 in^3.

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.