Answer:
m=-4k + 3f -7
Step-by-step explanation:
-5m = 20k - 15f + 35
Divide both sides by -5
![\dfrac{-5m}{-5}= \dfrac{20k-15f+35}{-5}\\\\m= \dfrac{20k}{-5}- \dfrac{15f}{-5}+ \dfrac{35}{-5}\\\\m=-4k+3f-7](https://tex.z-dn.net/?f=%5Cdfrac%7B-5m%7D%7B-5%7D%3D%20%5Cdfrac%7B20k-15f%2B35%7D%7B-5%7D%5C%5C%5C%5Cm%3D%20%5Cdfrac%7B20k%7D%7B-5%7D-%20%5Cdfrac%7B15f%7D%7B-5%7D%2B%20%5Cdfrac%7B35%7D%7B-5%7D%5C%5C%5C%5Cm%3D-4k%2B3f-7)
Answer:
Step-by-step explanation: this is math not English
2/3 would be heads because it’s out of 3 coins
Make an equation.
.1 X .5 X n = .25 X n - 30
.05n = .25n - 30
30 = .20n
150 = n