There are 8 pencils in a package. how many packages will be needed for 28 children if each child gets 4 pencils?

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

a) 7x=7

step-by-step explanation:

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation: