The data show the times (in minutes) spent fishing before getting a bite. 12, 25, 28, 20, 18, 16, 22, 30 What fraction of the ti
1 answer:
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Replace with
to see that this ODE is separable:
Integrate both sides; on the left, set so that
; on the right, set
so that
. Then
Answer:14
Step-by-step explanation:
A nickel is 5 cents (20% of dollar)
and a quarter is 25 cents (25% of dollar)
We have given a pile of 42 coins worth of $4.90
Let x be the no nickels and
y be the no of quarter
therefore
x+y=42 -----1
+
=4.90 ---2
Solving we get
x=14 & y=28
Therefore no of nickels is 14 & no of quarters is 28