The answer is 4 hours
p -<span> the programming time
</span>c - time spent on commercials
<span>A radio station broadcasts programs and commercials 20 hours everyday:
p + c = 20
</span><span>The ratio of the time spent on commercials to the programming time is 1:4.
c : p = 1 : 4
p = c * 4 : 1
p = 4c
p + c = 20
p = 4c
_____
4c + c = 20
5c = 20
c = 20 : 5
c = 4h</span>
Answer:
<em>2(8-8x)</em>
Step-by-step explanation:
Distrubutive Property:
↓
A(B+C)=AB+AC
<em>Multiply by the numbers from left to right.</em>
4*2=8
<em>Therefore the correct answer is </em><em>2(8-8x).</em>
<em />
Answer:
B I am 100% sure
Step-by-step explanation:
Step-by-step explanation:
17+7x=x+5
6x=-12
x=-2
Hope it helps you
Answer:
81 m/s
Step-by-step explanation:
If the box is sliding at 27 m per second, and it's been sliding for 3 seconds, then you should multiply 3 × 27 and your answer would be 81 m/s
