Each graph below shows a relationship between x and y.
For each graph, determine whether x and y are proportional.
If x and y are proportional, fill in the blank with a number.
Graph 1
Graph 2
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12
x
S
90
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D. $75

Step-by-step explanation:

The formula used for Simple Interest is given by,

Simple Interest (S.I.) = (P × R × T) ÷ 100

where, P = Principal = 375

R = Rate = 4

T = Time = 5

Putting all values in above formula,

S.I. = (375 × 4 × 5) ÷ 100

⇒ S.I. = 75

Thus, the interest Karen get is $75, which she will use to buy camera.