The correct answer is 3b-2=4
Hope this helps.
Answer:
Step-by-step explanation:
Was it
I think that 30 bulbs are expected to be defective.
We need convert the mixed numbers to improper fractions.
![1\dfrac{5}{8}=\dfrac{1\cdot8+5}{8}=\dfrac{8+5}{8}=\dfrac{13}{8}\\\\1\dfrac{3}{5}=\dfrac{1\cdot5+3}{5}=\dfrac{5+3}{5}=\dfrac{8}{5}](https://tex.z-dn.net/?f=1%5Cdfrac%7B5%7D%7B8%7D%3D%5Cdfrac%7B1%5Ccdot8%2B5%7D%7B8%7D%3D%5Cdfrac%7B8%2B5%7D%7B8%7D%3D%5Cdfrac%7B13%7D%7B8%7D%5C%5C%5C%5C1%5Cdfrac%7B3%7D%7B5%7D%3D%5Cdfrac%7B1%5Ccdot5%2B3%7D%7B5%7D%3D%5Cdfrac%7B5%2B3%7D%7B5%7D%3D%5Cdfrac%7B8%7D%7B5%7D)
Divide the number by a fraction, this is the same as multiply this number by the reciprocal of the fraction:
![1\dfrac{5}{8}\div\left(-1\dfrac{3}{5}\right)=-\dfrac{13}{8}\div\dfrac{8}{5}=-\dfrac{13}{8}\cdot\dfrac{5}{8}=-\dfrac{(13)(5)}{(8)(8)}=-\dfrac{65}{64}\\\\\boxed{1\dfrac{5}{8}\div\left(-1\dfrac{3}{5}\right)=-1\dfrac{1}{64}}](https://tex.z-dn.net/?f=1%5Cdfrac%7B5%7D%7B8%7D%5Cdiv%5Cleft%28-1%5Cdfrac%7B3%7D%7B5%7D%5Cright%29%3D-%5Cdfrac%7B13%7D%7B8%7D%5Cdiv%5Cdfrac%7B8%7D%7B5%7D%3D-%5Cdfrac%7B13%7D%7B8%7D%5Ccdot%5Cdfrac%7B5%7D%7B8%7D%3D-%5Cdfrac%7B%2813%29%285%29%7D%7B%288%29%288%29%7D%3D-%5Cdfrac%7B65%7D%7B64%7D%5C%5C%5C%5C%5Cboxed%7B1%5Cdfrac%7B5%7D%7B8%7D%5Cdiv%5Cleft%28-1%5Cdfrac%7B3%7D%7B5%7D%5Cright%29%3D-1%5Cdfrac%7B1%7D%7B64%7D%7D)