Which expressions show how 8 • 54 can be rewritten using the distributive property? Choose all answers that are correct.
1 answer:
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Let's first convert that amount of money into cents, which makes 336 cents. Then, let's denote the amount of money one of the boys has with x. The other boy has got 3x-12 amount of money. We can construct an equation. 
. Solving it we find that x=87 cents or $ 0.87 and the other boy holds $2.49 amount of money.
Answer:
y = 6
Step-by-step explanation:
Given that y varies directly with x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 3 when x = 9, then
k = =
=
, thus
y = x ← equation of variation
When x = 18, then
y = × 18 =
= 6