UKA 7.1 ratio and proportion

Help

If a square has a ratio of blue to red sections of 2:3, what proportion of the square is blue?

0.4

In a bag of marbles, the ratio of green to red marbles is 1:4. What is the proportion of red marbles?

0.8

If 7 pens cost $4.20, how much does 1 pen cost?

0.6

Unlock this slideshow and over 4 million more with Baamboozle+

Try slideshows