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ziro4ka [17]
3 years ago
8

Please help me convert this to an equation with an explanation. Linda is shopping for a new cell phone and rate plan. She wants

to compare basic plans from two different companies. Both plans will offer the same number of minutes per month, but have a charge per text message. Company A's plan will charge $39.99 per month plus $0.10 per text message. Company B's plan will charge $19.99 a month plus $0.20 per text message. Linda wants to know how many text messages she will have to send in order for the plan costs to be the same. Write an equation to model the situation. Let t represent the number of text messages.
I have this question, but I would appreciate some guidance with it. I'm not the best at converting these to a proper equation. I would appreciate it if someone might help me.
Mathematics
1 answer:
vovikov84 [41]3 years ago
6 0
39.99+.10t=19.99+.20t Now -19.99 from both sides to get 19.00+.10=.20t Now simplify 19+.10 to 19.10=.20t Lastly divide both sides by .20 to get t=95.5 :)
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35 points!!!! WILL GIVE BRAINLIEST 
Arturiano [62]

Answer  

Find out the  length of OP .

To prove

As given

In △JKL, ​ JO=44 in. ​

Now as shown in the diagram.

JP , MK, NL be the median of the △JKL and intresection of the JP , MK, NL be O .

Thus O be the centroid of the  △JKL .

The centroid divides each median in a ratio of 2:1 .

Let us assume x be the scalar multiple of the OP and JO .

As given

JO = 44 in

2x = 44

x = 22 in

Thus the length of the OP IS 22 in .







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