map scale

[unkempt spade]

the scale of map x is 1:x and the scale of map y is 4:y. Suppose that the actual area of a park is represented by 10 centimeter squared and 2.5 centimeter squared on maps X and Y respectively.
a. Find x:y and express the answer in the simplest form.
b. If x = 50,000, find
i. The value of y
ii. The actual area of the park in km squared

[winter socket]

1. Wait patiently for a helper to come along.
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[old bobcat]

you already posted this question previously, and I've already answered (a)

[unkempt spade]

for b

please

[old bobcat]

from (a) we get x:y = 1:4
50 000/y = 1/4
y = 200 000
1:x -> 10:10x
10x = 10×50 000 = 500 000 km²

[unkempt spade]

wait how do you get 200,000 can you please explain it to me

do you just multiply it with the 4 in 1:4

[old bobcat]

I cross multiplied

[unkempt spade]

ohhh

ty ty

[old bobcat]

urwelcome

[cedar jewel]

+close