a magician is training for an underwater Escape trick upon first trying she could hold her breath for a hundred and 20 seconds Now using a different technique she can hold it for 80% longer how long can the magician currently hold her breath​

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

no

step-by-step explanation:

150.6

all i did was i multiplied 5.02 by 30