4*(10*12/2)+4*(12*9)+(12*12)= 816 ft^2
the surface area is 816 ft^2.
Answer:
$65
Step-by-step explanation:
$50 is 2GB, and an extra GB used will cost $15. If Maya used 3GB it will cost $65
65% = 156
1% = 165 ÷ 65
1% = $2.40
100% = 2.4 x 100
100% = $240
Answer: The original price 20 years ago was $240.
240 - 156 = $84
Answer: The current price is $84.
