Answer:
RT=7
Step-by-step explanation:
RS+ST=RT
5x+x+1=5x+2
6x-5x=2-1
x=1
RT=5x+2
RT=7
how would I know you can find your in if you read
Answer:
256m²
Step-by-step explanation:
A=1/2{(b+b)×h}
A=1/2{(13+19)×16}
A=1/2(32×16)
A=1/2(512)
A=256
Liter is used to measure volume
Answer:
$5
Step-by-step explanation:
Let cost of paperback book be "p"
and
Cost of hardcover book be "h"
Each hardcover is $11 more than each paperback, thus we can write:
h = p + 11
3 paperbacks at "p" each and 4 hardcovers at "h" each totals 79, thus we can write:
3p + 4h = 79
We can now put the 1st equation in 2nd equation and find "p" (cost of paperback book). Shown below:

Hence, each paperback book costs $5