FRAME NUMBER 2

LEVEL A

A ratio may be written with two figures placed vertically and separated by a horizontal line across

;2

the middle in a form of fraction. Example: A ratio of 2 to 3 is written

hence, a ratio of 3 to 2 is

3

written

.

FRAME NUMBER 15

LEVEL B

Two fishermen agreed to divide a fish 3 feet 9 inches long in the ratio of 4 to 5. How long is

each section?

a. Shorter_________________________

b. Longer_________________________

FRAME NUMBER 28

LEVEL C

Refer to FRAME NUMBER 26. In phrasing the verbal expression of this inverse proportion, we say: "6

workmen are to 15 workmen as 10 days are to X days." This is normally written

6 = 10 or 6:15 = 10:X but since an increase in one quantity causes a decrease in another quantity

15 X

this is an inverse proportion and one side of the equation must be inverted. Hence, it is written

6 = 10 or 6:15 = 10:X,

15 X

Complete the solution:

15X = 60

X=

5

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