Answer:
F = 9 / 5 * 20 + 32 = 9 * 4 + 32 = 68 deg F
Step-by-step explanation:
5 , 10 , 15 , 20 , 25 , 30 , 35 , 40 , 45 , 50 , 55 , 60
6, 12, 18 , 24 , 30, 36 , 42 , 48, 54, 60
30 and 60
3x+ -1
-x-2x= -x+ -2x
-x+ -2x= -3x
1-2= -1
Hope this helps