People pls help i'm been struggling with this question for like hours.
1 answer:
Answer:
look at the explanation and picture
Step-by-step explanation:
Percent---------- 12%----------1200%-----------45%----------320%-----------1.5%
Decimal---------- 0.12----------120-----------0.45----------3.2-----------0.015
Fraction or ---------- 3/25----------120-----------9/20----------3 1/5-----------3/200
mixed number
Percent---------- 237.5%----------0.1%-----------120%----------533.333%
Decimal---------- 2.35----------0.001-----------1.2----------5.333
Fraction or ---------- 2 3/8----------1/1000-----------1 1/5----------5 1/3
mixed number
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Answer: There are 97 nickels and 108 quarters.
Step-by-step explanation:
Let x = Number of nickels, y = Number of quarters.
As per given,
x+y = 205 ...(i)
0.05x+0.25y = 31.85 ... (ii) [1 nickel = $0.05, 1 quarter = $ 0.25]
Multiply (ii) by 20, we get
x+5y=637 ...(iii)
Eliminate (i) from (iii)
4y = 432
⇒ y = 108 [Divide both sides by 4]
Put value of y in (i), we get
Hence, there are 97 nickels and 108 quarters.