Acarton of bolts weighs 7.8 pounds. how much does a carton containing 0.38 times as many bolts weigh?

10.764 pounds

Step-by-step explanation: 0.38 is the equivalence 38%

         First, You need to multiply 7.8 by 0.38 because if do that you will get 38% of the carton's weight (no matter how many zeros you put at the end of a decimal number it's still the same number.)  7.8 x 0.38  2.964              Now, you have the initial weight, 7.8 (Which is equal to 100%) to the new number, 2.964 (which is 38%) and add them together                  7.8 + 2.964= 10.764 (100%+ 38%= 138% mind blown)Dont forget Labels which makes it 10.764 pounds

The answer is: a = about 63.59ft2 for 15