Let
C=Cynthia's age today
A=Abigail's age today
then
at all times
A=C+8......................(1)
twenty years ago,
A-20=3(C-20)
simplifying
A=3C-40...................(2)
Equate (1) and (2),
C+8=3C-40
8+40=3C-C
C=24
=>
A=32
Check: A-C=8... ok A-20=12 C-20=4 => (A-20)=3(C-20) ...ok
Answer:
Abigail is 32, Cynthia is 24.
The answer is B. 25 students from each grade. This is because it will be the most accurate answer of what the school dance will be.
Answer:
10x + 10 units
Step-by-step explanation:
To find the perimeter of a rectangle, you can simply add up the length and width, and then multiply that sum by 2. The sum of the dimensions is 4x + (x + 5) = 5x + 5 and two times that would then be 2(5x + 5) = 10x + 10.
A=<span><span><span><span>37</span>d</span>+<span><span><span>−6</span>7</span>f</span></span>+<span>5<span>7 hope this helps </span></span></span>
Answer:
(4, -8) or x=4 y=-8
Step-by-step explanation:
