Answer:
a. 13
Step-by-step explanation:
x - youngest sister
x + 1 - middle sister
x + 1 + 1 - oldest sister
x + x + 1 + x + 1 + 1 = 39
3x + 3 = 39
3x = 36
x = 12
x+ 1 = 12 + 1 = 13
Answer:
x = 100 meters
Step-by-step explanation:
The area of the original plot is 200 x 300 = 60,000
Doubling the area would equal to 120,000
(x + 200) x (x + 300) = 120,000
x^2 + 500x + 60000 = 120,000
x^2 + 500x - 60,000 = 0
(x + 600)(x - 100) = 0, so
x = - 600 (reject), x = 100
Therefore x = 100 meters.
I hope I could help :)
Answer: statement a). True b). Impossible to say c). False d). 5 students
A paperback novel, a desk chair, a piano, a tractor.
This is by size as a paperback novel is the smallest and a tractor is the largest as well as the weights begin to increase.
Hope this helps!
54 times 6 is 324! This is a simple problem...
54
x 6
_____
324