Linda needs 2200 calories per day to maintain her present weight and daily activities. She wants to lose x pounds per day. Each
pound of body weight lost is equivalent to 3900 calories. Write her daily calorie intake as a linear function of the number of pounds of weight lost per day. (Let y represent the calorie intake and x represent the number of pounds of weight lost per day.)
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<h2>Answer</h2>
Or as ordered pairs:
Lets solve our system of equations step by step
equation (1)
equation (2)
1. Solve for in equation (2)
equation (3)
2. Replace equation (3) in equation (1) and solve for
or
3. Replace the values of in equation (3) and solve for
- For
or
- For
or
So, the solutions of our system of equation are:
