Deck 30: Ratios

Question 1

Express the ratio 20:35 as a fraction in lowest terms.

Answer 1

4/7

Question 2

Express 4 ft. 6 in. to 18 in. in simplest form as a fraction and compare like units in terms of either the larger or smaller unit.

Answer 2

3/1

Question 3

The ratio 2 1/2 to 3 can be change to a ratio of 5 to 6.

Answer 3

True

Question 4

What is the ratio of drawing to object size when the scale 1 1/2" = 2'-0 is being used?

Question 5

Express 3 yd. 3ft. to 32 in. in simplest form as a fraction and compare like units in terms of either the larger or smaller unit.

Question 6

Gear A has 60 teeth and gear B has 36 teeth. What is the ratio of gear B to gear A?

Question 7

Ratios can be written as two numbers separated by a colon (:).

Question 8

It takes an experienced CAD drafter 24 hours to complete a set of working drawings. Another CAD drafter takes 48 hours to complete a similar set of working drawings. What is the ratio of the first CAD drafter's time to the second CAD drafter's time?

Question 9

Express the ratio 6/13:9/13 as a fraction in lowest terms.

Question 10

Find the inverse ratio of 11/19:3/19 and express as a fraction in lowest terms.