C. 3:2 because that is 6/4 simplified
Answer:
3 is ans
Step-by-step explanation:
1st remove 1st braket.then we know that + and - = -.....
so 5(-2)=5-2=3
<span>A stack of 100 pennies, one on top of the other, is 15.5 centimeters tall. </span>
<span>a penny is 1.55 mm thick, so a stack of </span>
<span>100 pennies would be 155 mm thick or 15.5 centimeters. </span>
<span>This means that a stack of 100 pennies is 6.1 inches in height.</span>