So for this you need to set the two equations equal to each other. 20+.05x=10+.07x then solve. Subtract .05 from both sides and get 20=10+.02x. Then subtract 10 from the other side and get 10=.02x Isolate x by dividing 10 by .02. This leaves you with the answer of 500 texts.
Answer:
y= 2/5-1
Step-by-step explanation:
You get the 2/5 because you go 2 to the right and go 5 up, the -1 is because the x-int is at -1.
Answer:
b
Step-by-step explanation:
We can see from this survey that 7 teenagers prefer rock and roll.
The number of all teenagers in the survey is:
12 + 5 + 7 + 6 + 6 + 4 = 40
P ( rock ) = 7 / 40
Answer: C ) 7 / 40