4 years ago

PLS HELP NOW ASAP WILL GIVE BRAINLIEST

Mathematics

2 answers:

joja [24]4 years ago

8 0

Answer:

x = $\frac{4}{5}$

Step-by-step explanation:

given that y and x are proportional then the equation relating them is

y = kx ← k is the constant of proportionality

to find k use the given condition y = 15 when x = 3, hence

k = $\frac{y}{x}$ = $\frac{15}{3}$ = 5

y = 5x ← equation of proportionality

when y = 4, then

5x = 4 ( divide both sides by 5 )

x = $\frac{4}{5}$

Evgen [1.6K]4 years ago

7 0

Answer: x= 0.8

Step-by-step explanation: the answer is 100% correct

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