Answer:
set mary is x years old, and helen is y years old.
first sentence:x=2y
second one:4(y-8)=x+4
bring x=2y in 4(y-8)=x+4
=>4y-32=2y+4
=>2y=36
=>y=18
=>x=36
mary:36
helen:18
$8,750
(25000*.35)
Multiply
Answer:
-10x + 1.5
Step-by-step explanation:
Answer:
9700
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Computing the rate we get:

Then, when the assembly line runs at the same rate for 24 hours they will produce:

Answer: Option C) 720.