Let c represent the total time during which commercials appeared.
Then 3c+7 = program time = 30 minutes total
Then 3c = 23 minutes, and c = 7 2/3 minutes. This is close to 7.7.
Answer:
16,000,000
Step-by-step explanation:
Answer:
75/28
Step-by-step explanation:
(3/12)×5+(4/14)×5=(15/28)×5=75/28
Answer:
x=5
Step-by-step explanation:
since two sides are congruent, the two unknown angles are congruent.
All triangle angles total 180 degrees.
so:
180-88=92
92/2=46
9x+1=46
9x=45
x=5