Let be be Beth, bi be Bill, and e be edie. Then:
1/be + 1/bi +1/e=1/12
1/bi + 1/e=1/15
10/be +10/bi +10/e+5/be+5/bi=1
Solve for be, bi, and e
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The total cost of the camera is $268.26
A down payment of $12 was paid so he now owes $256.26
Every 6 months Emil has to pay:
256.26 / 6 = 42.71
Therefore, each moth, Emil has to pay $42.71
13 people are above the age of 50.
Answer:
x = -0.5
Step-by-step explanation:
p(x) = -2x - 4 = 6x
-4 = 8x
x = -0.5
Topic: Functions + Simultaneous equations
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