Question

WILL GIVE POINTS:

A pink paint mixture uses 4 cups of white paint for every 3 cups of red paint, the table shows different quantities for the same shade of pink. Complete the table.

Answer 1

PROBLEM:1 WHITE PAINT PINK PAINT

(CUPS) (CUPS)

4 3

4/3 1

1 3/4

16/3 4

5 15/4

Answer 2

if red = 1 white = 4/3 or 1 1/3

if white = 1 red = 3/4

if red = 4 white = = 16/3 = 5 1/3

if white = 5 red = 15/4 = 3 3/4

Explanation:

white 4

--------= ---------

red 3

if red = 1

white 4

--------= ---------

1 3

using cross products

white *3 = 4*1

divide by 3

white = 4/3

if white = 1

1 4

--------= ---------

red 3

using cross products

3*1 = 4* red

divide by 4

3/4 = red

if red = 4

white 4

--------= ---------

4 3

using cross products

white *3 = 4*4

white *3 = 16

divide by 3

white = 16/3 = 5 1/3

if white = 5

5 4

--------= ---------

red 3

using cross products

3*5 = 4* red

15 = 4 * red

divide by 4

15/4 = red

3 3/4 = red