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X - the number of five dollar bills
y - the number of one dollar bills
She has 18 bills in total.
She has $62.
Set both expressions equal to each other:
She has 11 five dollar bills and 7 one dollar bills.
y - the number of one dollar bills
She has 18 bills in total.
She has $62.
Set both expressions equal to each other:
She has 11 five dollar bills and 7 one dollar bills.
Answer:
1.014*10^35
Step-by-step explanation:
Given the following geometric sequence
Sum of nth term of the GP is expressed as;
a = -1/3
n = 75
r = a2/a1
a2 = -3a1
a2 = -3(-1/3)
a2 = 1
r = 1/(-1/3)
r = -3
Substitute the given values in the formula;
Hence the sum of the first 75 terms is 1.014*10^35