Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 12 m to 20 m

HELP ME ILL MARK YOU !!

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?