Answer:
Yes
Step-by-step explanation:
Answer:
Answer:
2.215=2 43/200
Step-by-step explanation:
Showing the work
Rewrite the decimal number as a fraction with 1 in the denominator
2.215=2.215/1
Multiply to remove 3 decimal places. Here, you multiply top and bottom by 103 = 1000
2.215/1×1000/1000=2215/1000
Find the Greatest Common Factor (GCF) of 2215 and 1000, if it exists, and reduce the fraction by dividing both numerator and denominator by GCF = 5,
2215÷5/1000÷5=443/200
Simplify the improper fraction,
=2 43/200
In conclusion,
2.215=2 43/200
Answer:
10 rows with 6 passengers per row
Step-by-step explanation:
Let x be the number of rows and y the number of passengers per row.
Then we can interpret the story as the following two equations:
xy=60
(x+2)(y-1)=60
Solving these two equations:
y=60/x
(x+2)(60/x-1)=60 (substitute y)
60 - x + 120/x - 2 = 60 (multiply by -x)
x² + 2x - 120 = 0 (factor)
(x-10)(x+12) = 0
x = 10
y = 60/10 = 6
and indeed 10 * 6 = 60 and also 12 * 5 = 60
the axis of symmetry is x=2
