Answer:
4 quarters. Each quarter costs 25 cents. 25 x 4=100. There are 100 cents in a 1 dollar, so that's why 4 quarters= 1 dollar.
Answer:
32
Step-by-step explanation:
i simplified it
Answer:
216
Step-by-step explanation:
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The negative sign isnt changing back and forth, so its not a geometric sequence
the difference between each term looks to be constant at 10
a1= 3
a2=-7= a1-10
a3= -17 =a2-10
oh look a pattern
an= a(n-1) - 10
9 15 *The denominator must be the same. 9 4 36
--- + ---- = --- × --- = ----
10 40 10 4 40
36 15 51 *Then simplify.
--- + --- = ----
40 40 40
51 11 * This the answer
--- = 1 ---
40 40
