Question

one mile equals about 1.6 kilo. how many miles are in 17.2 kilo?

Answer 1

Divide 17.2 by 1.6...?

Answer 2

in proportion form

Answer 3

Proportion form?

Answer 4

yes like -=-

Answer 5

That makes even less sense...

Answer 6

ik my teacher will say its wrong if it is done in my head

Answer 7

well as a ratio (proportion) its 1 mile to 1.6 kilometers = x miles to 17.2 kilometers. So:
1/1.6 = x/17.2, then you do the algebra and get 1.6x = 17.2, where you would divide both sides by 1.6, getting x = whatever the answer is.

Answer 8

great! more work

Answer 9

That is about 10 seconds of work right there.

Answer 10

ik?