Mark M. answered 09/15/22
Mathematics Teacher - NCLB Highly Qualified
S < G
6120 + 70y < 800 + 350y, y rerpresenting number of years
Can you solve for y and answer?
Jess R.
asked 09/15/22A solar water heater costs about $6120 to install (after rebates). A traditional gas water heater costs about $800, and costs about $350 per year to run. The average annual cost to run the solar water heater is about $70. How many years would you need to use a solar water heater in order for the total cost to become less than the total cost of the gas water heater?
Mark M. answered 09/15/22
Mathematics Teacher - NCLB Highly Qualified
S < G
6120 + 70y < 800 + 350y, y rerpresenting number of years
Can you solve for y and answer?
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