Solve for x: 10x – 3 + x < 30
2 answers:
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Answer:
= 4n - 11
Step-by-step explanation:
These are the terms of an arithmetic sequence with n th term
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
d = - 3 - (- 7) = 1 - (- 3) = 5 - 1 = 4
and a₁ = - 7, hence
= - 7 + 4(n - 1) = - 7 + 4n - 4 = 4n - 11
Answer:
20 games.
Step-by-step explanation:
Given:
Meredith is playing games at an arcade to earn tickets that she can exchange for a prize.
She has 255 tickets from a previous visit.
She earns 6 tickets for each game she plays.
Meredith needs 375 tickets to exchange for the prize she wants.
Question asked:
How many games does Meredith need to play?
Solution:
Total tickets needed to exchange for the prize = 375
Meredith already have = 255 tickets
More tickets needed = 375 - 255 = 120 tickets
<u>By unitary method:</u>
She earns 6 tickets by playing = 1 game
She earns 1 ticket by playing = game
She earns 120 tickets by playing =
Therefore, she needs to play 20 games to earn 120 more tickets.