Which one of these grids is shaded red and blue in the ratio 1 : 1/3 ?

B

Step-by-step explanation:

Cuz one of 1/3 of the grid is 4.B has 4 blue coloured tiles of the grid

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000