One monthly phone plan costs $20 for 250 minutes of talk plus 10 cents for every text message. Another monthly plan offers 250 minutes for $30 plus 5 cents for every text message. Caroline expects to talk less than 250 minutes a month but will use the texting often. How many text messages will she need to send for both plans to cost the same? A. 25
B. 125
C. 200
D. 1,000

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step-by-step explanation:

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this

1350 hats

step-by-step explanation:

divide 900 by 2 to find 50% or half of 900

900/2=450

add 450 to 900

1350