I) -7s^2+28st+21su
II) -8c^2+20cd
B because 20- 16 equals 4 I guess
150 minus 30 equals 120 but i did 150/30 and got 5
So
<span>20% of 18.50 = ____ </span>
<span>to get this you multiply </span>
<span>20% is .20 in decimal form </span>
<span>18.50 x .20 = $3.70 </span>
<span>so 20% is $3.70, which means the discount is $3.70 </span>
<span>so then you subtract $3.70 from the original price of 18.50 and you get </span>
<span>$14.80 which is your answer (:</span>
