A. 8/$12=21/$x then cross multiply. B. 1/$1.5
Really ! What are you going to do when the moment comes
on an exam when you have to do it on your own ?
<u>(1/4) (8x + 16) = -10</u>
Multiply each side by 4 :
8x + 16 = -40
Subtract 16 from each side:
8x = -56
Divide each side by 8 :
<u>x = -7</u>
Answer:
30 seconds
Step-by-step explanation:
210 divided by 7 is 30
