Question

USE the formula to find the value of the remaining variable.
P=2L+2W;L=10,W=78
P=_____

Answer 1

Just substitute in L and W.

Answer 2

how would i do that..

Answer 3

i.e.
P=2L+2W
P=2(10)+2(78)

Answer 4

2*10+2(78)=1716 is that correct

Answer 5

the correct answer is 176

Answer 6

Yep, its 176 :)

Answer 7

can u help me with another problem

Answer 8

The sum of a page number on the facing pages of a book is 89. What are the page numbers.

The number on the left page is___
The number onthe right page is____

Answer 9

Well, lets give the first page number the symbol "x". because the second page number has to be one more than "x", it is "x+1".
Therefore, the equation must be...?

Answer 10

x+1=89

Answer 11

it would be 2x+1=89 because you are finding the sum of the two pages :)

Answer 12

So now just solve to find x :)

Answer 13

x=44

Answer 14

Yep :) so the first page number is 44, and the second is 45 :)

Answer 15

Solve for g.
A=gr