Two percent of jennie’s skin cells were burned when she escaped from a fire. if 3.7×10^10 of her skin cells were burned then, how many skin cells were not burned?

cells were not burnt when Jennie escaped from the fire.

Solution:

Given:

2% of skin cells were burnt i.e, of skin cells were burnt.

To find:

Number of skin cells that were not burnt

We can write

Therefore, by equating the values we get,

2% of the cell is

1% of the cell is

As, 1% of the cell is

98%  of the cell will be

a precentage of 6th graders. the population is all 6th graders. let me know if i'm wrong, i hope this ! : )

step-by-step explanation:

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15