So, first, what are the two sides?
let's call then x and y
we know that 2(x+y)=12.5 (that's the distance around)
so that means that x+y=6.25 (I just divided both by 2)
now, x=4y (from "4 times as long as it is wide")
so we can substitute:
x+4x=6.25
5x=6.25
x=1.25
so one side, is 1.25 and the other will be 1.25*4=5
and for the area we multiply the two:
1.25*5=6.25 square kilometers, and this is the answer!
Set up two fractions:
8/x and 3/5
Set them equal to each other and cross multiply to get:
8*5 = 3x
40 = 3x
13.3 = x or 13 and 1/3 feet tall.
Answer:
12 is the answer
Step-by-step explanation:
3/8 and 4/5 turn to 15/40 and 32/40.
32 x 15=480
divide it by 40 to get you 12
Answer: ( 1.26 x 10 ^ 5 ) / ( 2.8 x 10 ^ 4 )
= 4.5 times bigger
1X2
b32
Eagles
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