Question

Use the formula d = ( r − c ) t to find c if d = 12 , r = 7 , and t = 2 .

Answer 1

30=(12-c)5

30=60-5c multiply 12 and c by 5

-30=-5c Subtract 60 from 30

-30 ÷ -5= c divide -30 by -5

c=6