The value of y is directly proportional to the value of x. If y = 288 when x = 32. What is the value of y when x = 25?
1 answer:
Answer:
y = 225
Step-by-step explanation:
since y and x are directly proportional the equation relating them is
y = kx ← k is the constant of proportionality
to find k use the given condition y = 288 when x = 32
k =
=
= 9
y = 9x ← is the equation of proportionality
when x = 25, then
y = 9 × 25 = 225
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