Answer:
10.45?
Step-by-step explanation:
5.05
-2.7+7.75
2.7 is how much he descends so its negative
And 7.75 for how much he went up so its positive
It's 20 Pounds btw.
7+0.20x = 5+ 0.30x
x- number of additional pounds
A. 520 square inches is your surface area of the rectangular prism
