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3 years ago

PLEASE HELP!

1 answer:

6 0

a.
y = -30 ... x = 15
y = 60 ... x = ?
-------------------------------
-30 * x = 15 * 60
x = - 15 * 60 / 30
x = -30

b.
y = 8 ... x = 3
y = ? ... x = 45
-------------------------
8 * 45 = y * 3
y = 8 * 45 / 3
y = 120

c.
x = -6 ... y = ?
x = -5 ... y = 15
-------------------------
-6 * 15 = -5 * y
y = 6 * 15 / 5
y = 18

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