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sirdre1982
04.07.2019 •
Mathematics
Renee is wanting to join a gym. pumping iron has a $90 membership fee and is $10 a month. fit for life has a $50 membership fee and is $15 a month. after how many months will the two gyms cost renee the same amount of money? create an equation to represent the situation. then, solve your equation.
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Ответ:
Fit for life: 15x+50=0
Set them equal to each other. 10x+90=15x+50. Solve for x. Subtract 50 from both sides, get 10x+40=15x, then subtract 10x from both sides, getting 40=5x. Divide 5 from both sides to isolate x, x=8. After 8 months the two gyms will cost the same.
Ответ:
-6
Step-by-step explanation: 3-6=-3